Bypass gate valve.
Design of Disc
Gate valves with flexible or solid wedge gate; pav valve.pipe armaturen.
Body and Bonnet Connection
bolt bonnet (BB) or Pressure seal bonnet (PSB)
Back Seating Design
PAV valve. our gate valves have the back seating design. In most cases, the carbon steel gate valve is fitted with a renewable back seat. For stainless steel gate valve, the back seat is machined directly in the bonnet or is machined after welding .When the gate valve is at fully open position, the sealing of the back seat can be very reliable .However, as per the requirement of API600, it is not advisable to add or change packing by the mean of back seating when the valve is pressure containing.
Operation type
ISO5210 .Bare stem or Actuator. we can offer Penumatic or Electric actuator
Standard
Design and Manufacture: API 6D,API600,API603,ISO10434,BS1414 or ASME B16.34
Inspection and Test: API 598/API 6D/DIN3230
End flange dimension: ASME B16.5,ASME B16.47(API 605 ,MSS SP44)DIN2501/EN1092
Butt ends dimension: ASME B16.25(BW)
Face to face,end to end: ASME B16.10 /DIN3202
Pressure-temperature ratings: ASME B16.34
NACE: NACE 0175
Material
ASTM A216 WCB WCC;ASTM A217 WC1 WC6 WC9;ASTM A351 CF8,A351 CF8M,
A351 CF3,A351 CF3M,A351 CN7M;.ASTM A352 LC1 LCB LCC LC3 or by customers 
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