Cast Iron Double Lobe Check Valve

• Media: Water, Oil, Gas, Seawater, Food, Steam, Air etc
• Temperature: Ordinary Temperature
• Material: Cast Iron
• Connection Form: Flange
• Structure: Butterfly
• Pressure: Low Pressure
• Model NO.: H77X
• Function: Ddcv Double Lobe
• Standard: ANSI
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Size: 2"-24"
• Body Material: Cast Iron/Di/Ggg40/Ggg50/Wcb/CF8/CF8m
• Working Pressure: Pn10-Pn16
• Painting: Fbe Epoxy Coated, Ral (Clinets Demand)
• Disc: 304/316
• Transport Package: Plastic Bag Inside and Plywood Case Outside
• Specification: DN40 to DN300
• Trademark: Exxon
• Origin: Tianjin
• HS Code: 8481804090
• Production Capacity: 15000 Set Per Month

Product Description

NO.	Part name	Material
		EH, AH	BH	MH
1	Body	CI DI WCB CF8 CF8M ALB	CI DI WCB CF8 CF8M ALB	WCB CF8 CF8M ALB
2	Seat	NBR EPDM VITON etc.	DI Covered Rubber	NBR EPDM VITON etc
3	Plate	DI ALB CF8 CF8M	DlALB CF8 CF8M	WCB CIF8 CF8M ALB
4	Shaft	304/316	304/316	WCB CF8 CF8M ALB
5	Spring	304		/

Main connection dimensions
Nominal diameter		D	D1	R	L	t	D2	weight(kg)
DN(mm)	NPS(inch)
50	2'	105(4.134)	65(2.559)	29.73(1.17)	54(2.12)	25(0.984)	32.18(1.26)	2,8
65	21/2"	124(4.882)	78(3.071)	36.14(1.423)	60(2.38)	29.3(1.154)	42.31(1.666)	3
80	3"	137(5.39)	94(3.701)	43.42(1.709)	67(2.62)	27.7(1.091)	66.87(2.633)	3.8
100	4"	175(6.89)	117(4.606)	55.66(2.191)	67(2.62)	26.7(1.051)	97.68(3.846)	5.5
125	Lo	187(7.362)	145(5.709)	67.68(2.665)	83(3.25)	38.6(1.52)	111.19(4.378)	7.4
150	9	222(8.74)	171(6.732)	78.64(3.096)	95(3.75)	46.3(1.823)	127.13(5.005)	10.9
200	8"	279(10.984)	222(8.740)	102.5(4.035)	127(5)	66(2.598)	161.8(6.370)	22.5
250	10"	340(13.386)	276(10.866)	126(4.961)	140(5.5)	70.7(2.783)	213.6(8.490)	36
300	12"	410(16.142)	327(12.874)	154(6.063)	181(7.12)	102(4.016)	237.9(9.366)	54
350	14"	451(17.756)	375(14.764)	179.9(7.083)	184(7.25)	89.2(3.512)	312.5(12.303)	80
400	16"	514(20.236)	416(16.378)	198.4(7.811)	191(7.5)	92.5(3.642)	351.0(13.819)	116
450	18"	549(21.614)	467(18.386)	226.2(8.906	203(8)	96.2(3.787)	409.4(16.118)	138
500	20"	606(23.858)	514(20.236)	248.2(9.72)	213(8.374)	102.7(4.043)	451.9(17.791)	175
600	24".	718(28.268)	616(24.252	297.4(11.709)	222(8.75)	107.3(4.224)	554.7(21.839)	239
750	30"	884(34.8)	772(30.39)	374(14.724)	305(12)	150(5.905)	685.2(26.976)	659

1. Size: 2"-24".

Dual Plate Check Valve
Double Door Check Valve
Wafer Butterfly Check Valve

2. Application:

This product is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically. When the medium is back-going, valve disc will antomatically close to avoid accidents.

3. Material of main parts:

Body: Cast Lron, Ductile Lron, Cast Steel, Stainless Steel304, Stainless Steel316.
Disc: StainlessSteel, Ductile Lron Coated by Nickel, Stainless Steel316, Stainless Steel304, Aluminum Bronze.
Stem: Stainless Steel316/304/416.
Seat: NBREPDM etc.
Normal Pressure: PN1.0-1.6Mpa
Applicable Medium: WaterSaltAacidSodaNaturalGasAirMellowOilFoodand Steam etc.
Temperature Range: -10oC-130oC