HD44h Swing Constant Pressure 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.: HD44H
• 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

Design and manufacture standard

Design and manufacturing standards: GB/T 12235, AP600, API6D, ANSI/ASME B16.34
Connection flange standard: GB/T 9113,API6D,ANSI/ASME B16.5
Pressure temperature rating: GB/T 12224-2005, and GB/T9131, ANSI/ASME B16.34
Experimental testing standard: GB/T 13927-2008, JB/T9092, API598, API6D

Structure and characteristics

1, the selection of materials is exquisite, in line with domestic and foreign standards, the overall quality of materials is high.
2, the sealing pair is advanced and reasonable, the sealing surface of the valve disc and seat is made of iron based alloy or cobalt based cemented carbide surfacing surface, wear resistance, high temperature resistance, corrosion resistance, abrasion resistance, long service life.
3, the product is designed and manufactured according to the national standard GB/T12235.
4, can use a variety of pipe flange standards and flange sealing type, to meet various engineering needs and user requirements.
5, the valve body material variety is complete, the gasket can be reasonably selected according to the actual working conditions or user requirements, and can be applied to a variety of pressure, temperature and media conditions.
Can be designed and manufactured according to user requirements of different structural forms and connection forms of check valves, for various equipment supporting the use.
Main performance specifications:

Test pressure	Nominal pressure (MPa)
	1.6	2.5	4.0	6.4	10.0
Shell test	2.4	3.8	6.0	9.6	15.0
Seal test	1.8	2.8	4.4	7.1	11.0
Valve body material	WCB(C)	CF8(P)	CF 8M (R)	WC6	WC9
Operating temperature	≤ 425	≤ 200	≤ 200	≤ 550	≤ 550
Applicable medium	Water, steam, oil products	Nitric acids	Acetic acids	Water, steam	Water, steam

Connection size sheet

 

Model number	Nominal pressure PN (MPa)	Nominal diameter DN (mm)	Size (mm)						Weight (Kg)
H44H/W	L	D	D1	D2	b	Z-d	D(National standard/Ministry of Chemical Industry standard)	H	Kg
H44H-16C H44W-16P H44W-16R	H44H-16C-DN40 L=200	145	110	88	20	4 to 18	150	4103	15.2
50	230	160	125	102	20	4 to 18	165	160	21.3
65	290	180	145	122	22	8 to 18	185	175	28.1
80	310	195	160	133	22	8 to 18	200	185	37.6
100	350	230	180	158	24	8-23	220	220	56.7
125	400	245	210	184	28	8-25	250	248	91
150	480	280	240	212	30	8-25	285	270	129
200	550	335	295	268	34	12-25	340	350	210
250	650	405	355	320	36	12-30	405	395	290
300	750	460	410	370	40	16 and 30	460	410	320
350	850	520	470	430	44	16 and 34	520	430	420