Gate valve

Flat gate valve

Product name: Flat gate valve

DN： 1”(25)~ 42”(1050)

CLASS(PN)： 150LB(16)~2500LB(420)

Available materials: cast iron, stainless steel SS304, SS316, SS316L, 904L, duplex stainless steel CD4MCu, 2205, 2507, Alloy 20, Hastelloy, Titanium, Monel, Nickel...

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Body structure:	Bolted bonnet
Valve seat:	Floating double seat, hard or soft seal
Disc:	Normal type, adjustable type, with guide hole, expansion type
Flow pass:	Full bore / reduced diameter (optional)
Valve stem:	Anti-blowout, can be lengthened (optional)
Stem and bonnet:	Rising pole bracket structure,anti-blowout, can be lengthened (optional)
Operation mode:	Manual / electric / pneumatic / pneumatic-hydraulic linkage / electro-hydraulic linkage / hydraulic (optional)
Seal:	Metal seal
Grease injection valve:	Optional
Locking device:	Optional
Leak rating:	Metal seal: ISO 5208 C or above, ANSI VI

Material of main parts
Valve body	Carbon steel / stainless steel / alloy steel
Valve flap	Carbon steel / stainless steel / alloy steel spray welding hard alloy
Valve seat ring	Carbon steel / stainless steel / alloy steel forgings
Valve stem	Stainless steel / alloy steel / INCONEL, etc.
Packing	PTFE, graphite, etc.
Bolts and nuts	A193/A194, A320/GB/HG, etc.

Pressure temperature class:	ASME B16.34
Design:	API 6D, GB/T 19672, ASME B16.34, GB, GOST, DIN, BS,etc.
Test:	API 6D / API 598 / GB/T 13927 and other relevantNational standards.
Structure length:	API 6D, ANSI B16.10, GB 12221, GOST, DIN, BS/ manufacture standard / user requirements.
Connection end:	BW (ASME B16.25, ASME B31.8 / GB / T12224 and other national standards), RF (ASME B16.5, ASME B16.47, GB / JB / HG / GOST, DIN, etc.), RTJ (ASME B16. 5, ASME B16.47, GB / JB / HG / GOST, DIN, etc.), BW + PUP (the length of the transition tube is customized)
Fire protection requirements:	API 6FA/BS 6755
Anti-static electricity:	API 608/BS 5351
Valve anti-sulfur:	NACE MR. 0175