Product Details

Technical Data:

Size DN50-DN300

Working Pressure PN10/PN16
Flange Drilling ANSI B16.1 Class 125,EN1092-PN16*

Inspection and Test API598

*All available Flange drilling kindly refer to the attached Flange Drilling Dimensions.

Product Features:

Wafer body style fits between FF to RF flanges.

Upper and lower PTFE thrust washers

Resilient Buna-N or EPDM seat.

Dual Plate Valves give maximum strength with minimum opening time.

Torsion spring assist valve closure,preventing flow reversal.

Thrust washers reduce friction and wear of valve plate hinges.

Material of Construction

Description Material Specification

Body Ductile iron GGG 40

Disc Stainless Steel AISI 304

Seat NBR/ EPDM

Spring Stainless Steel AISI 304

*Other material request kindly refer to Bill of MainMaterials of Beigao.

Dimensions- Check valve
Size		L	D	D1	D2	E	F	G	J	α
DN	NPS	L	D	D1	D2	E	F	G	J	α
50	2''	54	101.6	84.1	66.7	52.4	125	18	47.6	45
65	2-1/2''	54	120.7	98.4	79.4	52.4	145	18	58.7	45
80	3''	54	133.4	115.9	92.1	52.4	160	18	69.9	22.5
100	4''	63.5	171.5	142.9	117.5	81.9	180	18	87.3	22.5
125	5''	66.7	193.7	171.5	144.5	65.1	210	18	112.7	22.5
150	6''	79.4	222.3	200	171.5	77.8	240	22	141.3	22.5
200	8''	98.4	269.9	254	222.3	96.8	295	22	192.1	15
250	10''	101.6	336.6	308	276.2	100	355	26	230.2	15
300	12''	130.2	406.4	365.1	327	128.6	410	26	274.6	15
* Other available Flange drilling kindly refer to the attached Flange Drilling Dimensions.