High Pressure High Temperature Gate Valve

Pressure seal gate valve is designed for high temperature and high pressure application. Its sealing faces of both disc and seat ring are made by means of built-up welding with eight iron-based alloy or stellite Co-based carbide alloy upon different requirements, wearable, high temperature resisting, corrosion resisting, good friction resisting and long duration.

Features:

Pressure seal bonnet, bolt bonnet

Outside screw and yoke, BW connection

Material: WCB, WC1, WC6, WC9

Temperature: ≤590 degree C

Pressure rating: PN20.0Mpa, PN25.0Mpa, PN32.0Mpa, 900LB to 3500LB

Operator: gear box, electric actuator, motorized

Material List:

Part Name ASTM Material
WCB WC1 WC6 WC9
Body WCB WC1 WC6 WC9
DISC WCB WC1 WC6 WC9
BONNET 25# 15CrMoVA 12CrMoVA
WCB WC1 WC6 WC9
STEM 38CrMoAIA 38CrMoAIA 38CrMoAIA 38CrMoAIA
1Cr17Ni2 1Cr17Ni2 20Cr1Mo1V1A 20Cr1Mo1V1A
PACKING Flexible Graphite
YOKE WCB WCB WCB WCB
WC1 WC6 WC9
SEALING RING S soft steel F soft steel
YOKE NUT ZQA19/A439 D2

Suitable Temperature:

SHELL MATERIAL APPLICATION TEMPERATURE(°C) APPLICABLE MEDIUM
ASTM A216 WCB ≤425 STEAM, WATER
ASTM A217 WC1 ≤450
ASTM A217 WC6 ≤550
ASTM A217 WC9 ≤590

Applications:

Petroleum, chemical, power plant