H42h Cast Steel Vertical Check Valve

• Media: Water-Vapour Oil
• Temperature: Low Temperature
• Material: Stainless Steel Carbon Steel Brass
• Connection Form: Flange Welding
• Structure: Swing
• Pressure: High Pressure, Medium Pressure and Low Pressure
• Model NO.: H42H
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Sealing Form: Hard Seal and Soft Seal
• Flow Direction: Unidirection
• Standard: DIN GB ANSI Bsw JIS
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Transport Package: Wooden Box
• Specification: DN15-DN800
• Trademark: XC
• Origin: China
• HS Code: 8481804090
• Production Capacity: 9999

Product Description

The product is designed and
manufactured strictly according to GB12235 standard, the valve disc is positioned along the center for lifting movement, the bushing is made of special materials with good wear resistance and small friction coefficient, and the action is flexible and reliable. Excellent sealing performance. The products are widely used in petroleum, chemical, pharmaceutical, electric power industry and other working conditions of the pipeline.
Second, the main performance specifications

Test pressure	Nominal pressure (MPa)
	1.6	2.5		4.0
Shell test	2.4	3.8		6.0
Seal test	1.8	2.8		4.4
Body material	WCB(C)	CF8(P)	CF 8M (R)	WC6	WC9
Operating temperature	≤ 425	≤ 100	≤ 100	≤ 550	≤ 550
Applicable medium	Water, steam, oil products	Nitric acids	Acetic acids	Water, steam	Water, steam

Three, the implementation of standard
design and manufacturing: GB12235
Structure length: GB12221
connection flange: JB/T79-1994
Test and inspection: JB/T9092-1999
Four, the main connection size