Water-sealed gate valve price

  Product Description  1 ,This factory Bonnet the packing room has the water seal structure, when the connection passes over pressure 0, the 6-1MPa water, may cause the system and the atmosphere isolates, guaranteed the system has good gas tightness . 2 , DS/The Z series uses Double gate the disc bidirectional spring-loaded seal, opens shuts, rapid, the seal nimbly is reliable.  3 ,Product material quality simple, compact reasonable, the overhaul is convenient, the service life is long.  4 ,Sits the start-stop system on piping to use, must be at all opens or the ajar condition, does not have to use in adjusting the current capacity. 5 ,A valve connection form minute flange, the weld two kinds, the drive type is Hand, the motor two kinds.  6 , DS series liquid valve is suitable for Nominal Pressure 10.0MPa, Operating temperature 425℃, works agent is the water, steam, oil field and on non-caustic gas pipe makes the start-stop system to use, is suitable especially for the thermoelectric power station steam engine vacuum condenser system.   Chief property and specification

Test pressure	PN/MPa
	1.0	1.6	2.5	4.0	6.4	10.0
Shell Strength test	1.5	2.4	3.8	6.0	9.6	15.0
Seal test	1.1	1.8	2.8	4.4	7.0	11.0
Back seal test	1.1	1.8	2.8	4.4	7.0	11.0
Leak- proofness test	0.5~O.7

 Scope of use

Product classification	Working temperature	Suitable medium
Carbon steel	≤425	Water,Stem,oilgoods non-corrosive gas
Alloy steel	≤540

 Material for Main Parts

Product type	Part name
	B0dy,BOnnet,Yoke	Valve rod	Walge gate Disc Sealface	Seatring seal face	Yoke nut	Packing
Carbon steel	WCB 25	1Crl3 Or 2Crl3	Sainlesssteelor carbidealloy	Stainlesssteel	Albronze	F18xible graphite
Alloy steel	WC6 Cr5M01	38CrMoAlA 20CrlM01VA	cobalt - base alloy	Carbide alloy

 specification:   Certification        Our Factory     Company Information China. Dongjin valve responsibility limited company was founded in 1985. It is a professional manufacturing enterprise is engaged in researching, manufacting, service and selling kinds of valves. China. Dongjin valve responsibility limited company mainly product six series of carbon steel valve and stainless steel valve which have more than fifty kinds of valves and three thousands size such as ball valve, gate valve, globe valve, check valve, plug valve, filter and so on. China. Dongjin valve responsibility limited company has passed ISO9001:2008 international quality system certification, ISO14001 environment system certification, American API6D certification, OHSAS18001 occupation health and safety certification, EU CE safety certification, special equipment safety production pressure pipeline license (TS) certification, and have got Standardized system validation measurement test system certification successively.   Ending Hope have a pleasant cooperation with you,please contact us!