3‑Piece Stainless Steel Female Thread Ball Valve
2.Removable three‑piece valve body allows straightforward maintenance without detaching whole unit from pipeline .
3.Accurately machined female thread ends fit perfectly with standard threaded pipe fittings for firm connection .
4.Full bore internal passage reduces flow loss and guarantees efficient fluid transportation inside the pipeline .
5.Combined high‑quality PTFE seat and precision ball core provides zero‑leakage shut‑off under normal working condition .
6.Secure anti‑blowout stem construction together with lever handle enables simple 90‑degree switch operation .
7.Fine finished valve surface free of defects, performs steadily under 1000WOG pressure for long‑time service .
8.Suitable for various industrial fluid systems, complete size options available and custom manufacturing is acceptable
Description
3‑Piece Stainless Steel Female Thread Ball Valve
Designed for accurate fluid on‑off control within threaded pipeline networks, our ASTM‑compliant SS304 three‑piece female thread ball valve acts as a robust flow control component for water, gas, oil and mild‑corrosive medium piping systems. It adopts detachable three‑piece split‑body construction to simplify internal component inspection and replacement without full removal from installed pipelines. Accurately machined NPT/BSPP female thread ends deliver tight thread‑in connection and streamline on‑site valve installation work. Fabricated from standard 304 stainless steel with fine surface finishing, this valve achieves remarkable oxidation and corrosion resistance for harsh working environments. The integrated full‑bore passage minimizes flow impedance and preserves high fluid throughput across the whole pipeline. Optimized PTFE sealing assembly paired with precision‑polished ball core guarantees zero‑leakage shut‑off performance under rated working pressure. Anti‑blowout stem plus lever‑type handle enables fast 90‑degree switching operation for convenient field manipulation. It maintains dependable sealing stability under long‑term 1000WOG service pressure. Polished surface treatment extends service life for both indoor and outdoor industrial piping projects. Mainstream sizes are kept in stock for prompt bulk order delivery. Custom thread specification, OEM laser marking and special dimension processing services can be provided upon client requests. These three‑piece stainless steel ball valves are extensively deployed in plumbing facilities, chemical processing lines, water‑treatment stations, compressed‑air pipelines and various general industrial fluid control systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | 304 Stainless Steel 3‑Piece Female Thread Ball Valve |
| Pressure Class | 1000 WOG Pressure Rating |
| Raw Material | ASTM‑compliant SS304 stainless steel with uniform internal texture, excellent oxidation‑resistant and anti‑corrosion capability |
| Surface Finish | Optional mirror polishing / matte finishing; flawless surface free of sand holes, cracks and burrs |
| Connection Type | BSPP / NPT female thread connection; precisely machined threads for firm mating, dependable sealing performance; three‑piece split‑body for convenient disassembly and component replacement |
| Working Temperature | -20℃ ~ 180℃ |
| Applicable Medium | Tap water, hot circulating water, compressed air, neutral industrial fluid, oil and non‑corrosive gas media |
| Certification Standard | Manufactured in accordance with international standards for stainless steel threaded valve products |
| Application Scenario | Fluid on‑off control for plumbing systems, chemical pipelines, water‑treatment equipment, compressed‑air circuits and various industrial piping projects; three‑piece design simplifies on‑site inspection, maintenance and part renewal |
Key Features
1.Superior Environmental Compatibility
Constructed from ASTM‑certified 304 stainless steel, this three‑piece female thread ball valve copes with humid surroundings, water circulation and mildly corrosive fluids. It maintains steady functional performance within outdoor piping and various industrial operating environments for extended service cycles.
2.Dependable Zero‑leakage Sealing Capacity
Precision‑polished ball core works together with high‑grade PTFE sealing seats to achieve bubble‑tight shut‑off effect. Properly tightened NPT / BSPP female threads reinforce connection tightness, effectively stopping medium leakage under long‑term pressurized working conditions.
3.Three‑Piece Split‑Body for Simple Maintenance & Inspection
Detachable three‑piece valve‑body layout enables direct access to internal components. Operators can conduct cleaning, inspection and spare‑part replacement without removing the whole valve from installed pipelines, lowering on‑site service difficulty.
4.Full‑Bore Channel Optimizes Fluid Delivery
Unobstructed full‑bore inner passage greatly cuts fluid flow resistance. It preserves high‑volume medium throughput and minimizes pressure loss, supporting stable transmission of water, gas, oil and other process media inside pipelines.
5.Safe Operation & Convenient Manipulation
Anti‑blowout stem structure eliminates potential safety hazards under pressure. The lever handle supports rapid 90‑degree rotation to complete opening and closing actions, bringing straightforward manual control for field installation projects.
6.Broad Application Range & Custom‑available Service
Well‑suited for fluid cut‑off tasks in plumbing loops, chemical pipelines, water‑treatment facilities, compressed‑air circuits and other industrial piping systems. Standard sizes are kept in stock for bulk orders; custom thread options, OEM laser engraving and special‑dimension machining services are acceptable.
Dimensions and Specifications
Our 304 stainless steel three‑piece female thread ball valve covers a full range of standard inch sizes, mainstream specifications are listed below:
- 1/2", 3/4", 1", 1‑1/4", 1‑1/2", 2"
- Custom dimensions, OEM laser marking and dedicated export packaging services are available
Every valve is produced under strict dimensional tolerance control. Its precisely machined BSPP / NPT female threads cooperate with high‑performance PTFE sealing components to match standard threaded pipe fittings. It maintains reliable shut‑off performance and avoids medium leakage under long‑time pressurized service in various working conditions. The three‑piece split‑body design supports convenient disassembly, internal inspection and regular pipeline maintenance work.
Materials and Surface Treatments
1.Main Body Raw Material
Fabricated from ASTM‑compliant SS304 stainless steel, the three‑piece ball valve delivers prominent oxidation and corrosion resistance for water, oil, compressed air and weakly corrosive media. It runs steadily inside water‑treatment facilities, chemical pipelines, food‑grade piping and outdoor industrial fluid control systems.
2.Surface Finish
Standard pickling and passivation treatment generates dense anti‑corrosion passive film to block moisture, rust and mild chemical erosion, securing dependable service for both indoor and outdoor industrial pipelines. Two optional surface treatments can be provided upon demand: natural matte finish and mirror polishing finish.
3.Connection & Internal Component Processing
Adopt precision‑machined BSPP / NPT female threads with accurate thread pitch and tooth profile for seamless connection with standard threaded pipe fittings. High‑precision polished ball core is matched with premium PTFE valve seats; with correct installation and proper tightening, stable zero‑leakage shut‑off function can be realized for fluid on‑off control.
Standards and Certifications
Our products are manufactured in strict accordance with global industrial quality norms:
- Fabricated following official process specifications for stainless steel threaded ball valves
- Production system certified to ISO 9001 quality management standards
Prior to packaging and shipment, every 304 stainless steel three‑piece female thread ball valve undergoes comprehensive testing. Inspection items include shut‑off & sealing reliability, thread dimensional accuracy, ball‑core matching tolerance and anticorrosion performance.
Applications
1.Petrochemical & Industrial Pipeline
Our 304 stainless steel three‑piece female thread ball valves work steadily in factory piping systems for water, gas, oil and low‑corrosion fluid transmission. They realize pipeline fluid on‑off control; thanks to three‑piece split‑body structure, it simplifies later equipment maintenance and pipeline disassembling & upgrading.
2.Shipbuilding & Marine Pipeline Systems
Commonly used for offshore domestic water supply, fuel delivery and heating pipe networks. Outstanding anti‑rust and salt‑spray resistant performance enables stable operation in damp, corrosive marine environments for fluid cut‑off control.
3.Food & Water Treatment Piping
Ideal for drinking water projects, beverage production lines and water treatment piping systems. 304 stainless steel meets high hygiene requirements and will not cause secondary pollution to transported media for safe fluid switch‑on‑off service.
4.Heating & General Industrial Fluid Delivery
Suitable for central heating circulation pipelines, compressed air pipelines and various industrial fluid conveying lines. Standard threaded connection plus detachable valve body is easy to disassemble, greatly improving efficiency during daily system maintenance and pipeline reconstruction.
Installation Instructions
- Thread Pre‑treatment: Clean the BSPP/NPT threaded sections and matching pipe threads; remove rust, oil stains and burrs before assembly. Also inspect valve ball‑core and PTFE seat sealing surfaces to avoid particle debris causing leakage.
- Controlled Torque Fastening: Tighten the valve with appropriate torque. Avoid excessive tightening to prevent thread deformation and damage to thread & internal sealing components.
- Pressure Leak Test: Conduct pressure testing after installation to confirm reliable shut‑off performance of threaded joints and ball‑valve sealing assembly.
- Periodic Inspection: Inspect threaded connections and valve operating status regularly to guarantee long‑term safe operation of the piping system.
Comply with industrial threaded piping specifications and local safety regulations during installation.
Packaging and Shipping
Every 304 stainless steel three‑piece female thread ball valve is wrapped with anti‑collision protective film to prevent surface scratches during transit. Moisture‑proof packaging protects the pickled passivated surface. Bulk orders are palletized with export‑standard pallets for convenient handling and container loading.
Our factory is located in Taigu, Shanxi Province. We cooperate with seasoned global logistics networks covering main overseas ports, providing steady and cost‑effective bulk shipment services for industrial piping projects across the world.
Quality Control
1.Raw Material Spectral Composition & Mechanical Test
Every batch of ASTM SS304 stainless steel raw material undergoes full spectral analysis and mechanical property testing, to meet the official technical standards for stainless steel ball valves.
2.Hydraulic Sealing Pressure Inspection
Finished 304 stainless steel three‑piece female thread ball valves are randomly sampled for hydraulic sealing tests under rated working pressure, to confirm zero‑leakage performance of both threaded connection and internal ball‑valve sealing assembly.
3.Thread Dimension Precision Calibration
Special go‑no‑go gauges are used to check thread pitch, thread diameter and tolerance. This guarantees tight matching with standard NPT/BSPP threads and stable sealing after assembly.
4.Full Surface Visual Defect Screening
After pickling and passivation, all products go through 100% manual visual inspection. Workers remove burrs, stains and surface imperfections on threads, valve sealing components and outer shells, so the valves can maintain reliable corrosion resistance during long‑term use.
OEM and Customization Services
We maintain stable annual production capacity and accept bulk OEM & ODM custom orders. Our professional engineering team provides one‑stop customized solutions for various industrial pipeline projects, including customized wall thickness, non‑standard dimensions, laser‑engraved brand logos and dedicated export packaging. We own a complete set of molds covering sizes from 1/2 inch to 4 inches, which can effectively shorten the lead time for sample trial production and mass delivery.
FAQ
Q:Can this 304 stainless steel three‑piece female thread ball valve be buried underground?
A: Outer anti‑corrosion treatment must be carried out before buried installation. Direct burial without protective measures will greatly shorten the service life of the valve. We can provide customized anti‑corrosion schemes upon your demand.
Q: What is the standard installation method for this 304 stainless steel three‑piece female thread ball valve?
A: Clean the thread and valve sealing components thoroughly first. Apply suitable thread sealant or PTFE tape, then tighten manually with standard pipe wrenches according to torque requirements. Do not over‑tighten to avoid thread & sealing‑face damage, achieving stable long‑term leak‑free performance.
Q: Can it withstand pipeline thermal expansion?
A: The valve belongs to rigid connecting parts. For long‑distance pipelines with obvious temperature changes, it is suggested to install expansion joints to offset stress caused by thermal deformation.
Q:Is it compatible with different steel pipes?
A:Fits standard NPT / BSPP threaded steel pipes. Please confirm thread specification before ordering.
Q:Why pick 304 stainless steel three‑piece female thread ball valve rather than carbon steel ones?
A:ASTM 304 stainless steel features outstanding rust and corrosion resistance for water, oil, gas and weak acid media. The three‑piece split‑body design enables quick assembly and disassembly for pipeline maintenance, suitable for piping systems in food processing, water treatment, marine engineering and corrosive medium scenarios.
Contact Us
Searching for reliable 304 stainless steel three‑piece female thread ball valve to support your industrial piping projects? Our experienced technical team provides full‑process product selection guidance and comprehensive technical support.Email:q1236800000@gmail.com We are able to supply complete official technical datasheets, cost‑effective bulk wholesale quotations and stable delivery schedules. Our high‑grade 304 stainless steel threaded fittings are widely delivered to global projects covering food processing, water treatment, petrochemical industry, shipbuildings and heating pipeline systems.
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