What are Breather Valves ? Breather Valves, also known as direct acting Pressure/Vacuum Relief Valves, are special types of Relief Valves which are specifically designed for tank protection. The range includes pressure only, vacuum only and combined Pressure/Vacuum Valves, all available with...

All-Weather Pressure Vacuum Breather Valve Breathing valve is a safe and energy saving product to maintain tank pressure balance and reduce medium volatilize. Breathing valve makes full use of the pressure bearing capacity of the tank itself to reduce medium emission. Its principle is to use the...

Working principle of forged steel gate valve: (1)The oDTurator of the gate valve should be disc, the movement direction of the disc should be vertical to the direction of the service flow, the gate valve is served only for full-open and full close, can't be applied for adjust the flow or...

Dual Plate Wafer Type Valve The check valve dual plate wafer type is an automatically opened valve that only allows the medium to flow in the same direction and prevents reverse flow. Automatically open and close when there has pressure generated, no need to handle or other actuation control....

Forged Steel Flexible Wedge Flanged Gate Valve Working principle of forged steel gate valve: (1)The oDTurator of the gate valve should be disc, the movement direction of the disc should be vertical to the direction of the service flow, the gate valve is served only for full-open and full close,...

Forged Steel Threaded / Sw Gate Valve Forged steel, outside screw and yoke (OS&Y), rotating rising stem, rising handwheel. Full or conventional port. Bolted or welded bonnet joint. T-Pattern or Y-Pattern. Integral backseat. Integral body seat. BODY. The body is forged steel and designed to...

Forged Steel Lift Swing Check Valve Working principle of forged steel Lift check valve: The disc of the lift check valve is on the upside of seat sealing surface. The disc can be up and down freely, the other parts of valve are the same as globe valve, the flow pressure press the disc from the...

Sw/NPT Reduce Bore Forged Gate Valve Features and benefits 1. No penetration of hinge pin to outside eliminating the possibility of pin seal leakage and allowing for in-line service. 2. Compact cage unit: all moving parts are attached to the carrier and can be removed easily for service. 3....

Forged Stainless Steel Globe Valve Product Description 1. Globe valve refers to the valve with disc drove by stem along the central axis, make lifting movement, is a common block valve, used to connect or throttle medium. 2. There are different types of globe valve, including through-way type...

Cast Steel Flanged Swing Check Valve Product Features: 1.Bolted bonnet, and the type of middle flange gasket may be different according to pressure class; Check valve in 600LB may adopt pressure sealed structure. 3.Disc stop device to prevent disc from being opened too high, thus causing failure...

Lug Type Wafer Dual Plate Check Valve T HE SEAT DESIGN OF DUAL PLATE CHECK VALVE -No leak, no distortion seals Seat design can be furnished with the resilient seal materials that provide tight seals without leakage and metal seals with minimum leakage. ADVANTAGE Face-to-face dimensions for Dual...

Tilting Disc Buffer Wafer Type Check Valve Working principles: the valve seat of the tilting disc check valve is a part of the inclined circular cone,The sealing line formed between the seat and the valve disc is approximately elliptic curve. The Angle between the plane of the curve and the...

Forged steel gate valve is a rigid solid gate, the direction of the gate and the direction of the fluid vertical, can be fully open or fully closed, the body is the integral forging, very suitable for high temperature and high pressure working conditions.