J41H national standard manual carbon steel globe valve

NegotiableUpdate on 03/08

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Overview

J41H national standard manual carbon steel globe valve

Product Details

J41H national standard manual carbon steel globe valve

J41H national standard manual carbon steel globe valve is suitable for cutting off or connecting pipeline media in various working conditions such as petroleum, chemical, pharmaceutical, fertilizer, and power industries with nominal pressure PN1.6~16MPa and working temperature -29~550 ℃. The driving methods include manual, gear transmission, electric, pneumatic, etc.

Application specifications

design and manufacturing		GB/T12235
Connection end size	Structure length	GB/T12221
	Flange size	JB/T79
Inspection and Testing		JB/T9092
Material Science	carbon steel	GB/T12229
	stainless steel	GB/T12230
	alloy steel	Q/ZB66
Logo		GB/T12220
supply commodity		JB/T7928

Structural characteristics

1. Carefully selected materials, in compliance with relevant domestic and international standards, with a reasonable structure and beautiful appearance.
2. The sealing surface of the valve disc and seat is made of iron-based alloy or Stellite cobalt based hard alloy, which has good wear resistance, high temperature resistance, corrosion resistance, abrasion resistance, and long service life.
4. The valve stem has undergone quenching and surface nitriding treatment, providing excellent corrosion resistance and abrasion resistance.
5. Various piping flange standards and flange sealing surface types can be adopted to meet various engineering needs and user requirements.
6. The valve body material variety is complete, and the packing and gasket can be reasonably selected according to actual working conditions or user requirements, which can be suitable for various pressure, temperature, and medium working conditions.
7. The reverse seal is made by connecting the sealing seat with threads or welding austenitic stainless steel on the body, ensuring reliable sealing. The replacement of the packing can be carried out without stopping the machine, which is convenient and fast, and does not affect the operation of the system.

Required parts materials and main purposes

valve body	valve cover	Valve flap	sealing ring	valve stem	filler	Applicable Medium	Temperature (≤℃)
WCB		WCB+D507MO	D577	2Crl3	Flexible graphite	Water, oil, steam	425
ZGlCrl8Ni9Ti		0Crl8Ni9Ti+ Stellite12	Stellite6	lCrl8Ni9Ti	PTFE	Nitric Acid	200
ZGlCrl8Ni2Mo2Ti		CF8M+ Stellite12	lCrl8Ni2Mo2Ti	lCrl8Ni2Mo2Ti	PTFE	Phosphoric acid Alkali and mixed acid	200
ZG00Crl7Nil4M02		CF3M+ Stellite12	Stel1ite6	316L	PTFE	Phosphoric acid Urea and ammonium solution	200
ZGlCr5MO		ZGlCr5MO+ Stellite12	Stel1ite6	25Cr2Mo1VA	Flexible graphite	Water, oil, steam	550