Discover precision and reliability with our API 6A Gate Valve from a top-tier supplier in China. The PFFA, PFF Series offers versatility in sizes 1-13/16 to 9 inches (DN46-DN230), handling pressures from 2000 to 20000 PSI, and meeting PSL1-4 standards. Featuring designations AA-HH and a robust metal-to-metal seal, our gate valve ensures top-notch performance for critical applications. Trust in our commitment to quality for unparalleled precision in the field.
PFFA Series Gate valve

Full bore design eliminates efficiently pressure drop and vortex and eliminates washing by solids in fluid.
Metal-to-metal seal is used between bonnet and body, gate and seat body and seat.
The surface of gate and seat is weld overlay with hard alloy, which has feature of corrosion resistance and washing resistance.
The bonnet and stem designed with back seal, can replace stem sealing under pressure.
One side of bonnet is designed with sealant injection in order to supply sealant and improve seal and lubrication performance of gate and seat.
Can complete with different pneumatic (hydraulic) actuator upon user's requirements.
Working Pressure: 2000 PSI - 20000 PSI
Nominal Bore: 1-13/16 – 9 Inch (DN46-DN230)
Working Medium: oil, natural gas, mud and gas, containing H2S, CO2
Working Temperature: -46°C-121°C (Class LU)
Material Class: AA, BB, CC, DD, EE, FF, HH
Specification level: PSL1-4
Performance Requirement: PR1-2

Discover our fully welded carbon steel ball valves, manufactured to DIN EN 10217-2 ST 37.8 standards. With a robust 16-inch (DN400) size and a Class 300 LB (PN25) rating, these valves are designed for high-pressure applications. Featuring a trunnion design and equipped with soft seats, they ensure reliable sealing and minimal maintenance. Additionally, they offer double block and bleed functionality, enhancing safety and performance in critical processes.

Fully Welded Ball Valve

Valve description: Ball valve, trunnion type, fully welded, soft seat, double block and bleed

Body material: DIN EN 10217-2 ST 37.8
Ball material: Stainless Steel 304
Nominal diameter: DN400 (16 Inch)
Nominal class: PN25 (Class 300 LB)
End connection: BW with hub
Seat: RPTFE+C
Face to face: MFR
Mode of operation: Gear
Test and inspection: API 598

The complete valve body and weld ends are welded together. There are no potentially leaking flanged or bolted connections on the valve body. The blowout-proof stem is externally sealed with two O-ring seals and a graphite reinforced PTFE washer pressed on by the media pressure. System safety is ensured by the possibility of replacing the upper O-ring seal up to DN 50 and 2 O-ring seals DN65 and bigger, 3 O-ring for DN350 and bigger.

We manufacture the ball valves below:
Fully Welded End Ball Valve
District hot water welded ball valve
One-piece ball valve with thread, reduced bore, full port
One-piece ball valve with thread and weld end, reduced port, full bore
One-piece ball valve with weld ends, reduced port, full port
One-piece ball valve with flange, reduced bore, full bore
One-piece ball valves with extended spindle, reduced port, full port
One-piece ball valve with flange, reduced bore, full bore

China JSC Valve Group Co., Ltd.（https://www.jscvalve.com/) is a prominent valve manufacturer and service provider based in China. Located strategically in the esteemed "Chinese Pump & Valve Town" of Oubei, within Wenzhou city, Zhejiang province, our company spans an expansive 21,000 square meters. We seamlessly integrate design, production, examination, sales, and service to deliver comprehensive solutions within the valve industry.