WAFER DOUBLE DOOR CHECK VALVE PN16

PN16 Fig No.: V51DD16

FEATURES & SPECIFICATIONS

Spring loaded double door
Vulcanized seat for non-slam effect
Comply with DIN 3202
Durable fusion bonded epoxy coated
Wafer connection to BS 4504 PN16 / EN 1092-2 PN16 / ANSI Class 150
(Specify on order)
Applicable for Building Services, Air-Conditioning, Fire- Protection,
Cold Water Plumbing, Hot Water System, Sewerage & Water Treatment,
General Industries

Category: V-Series

Description

TECHNICAL SPECIFICATIONS

Working Pressure	16bar
Shell Testing Pressure	(x1.5) 24bar
Seat Testing Pressure	(x1.1) 17.6bar
Working Temperature	-20°C…110°C (EPDM seat ring) -10°C…80°C (NBR seat ring)
Suitable Media	Water, Oil, Gas

Material Specification

Part	Material	Specification
Body	Cast Iron Ductile Iron	EN-JL 1040 EN-JS 1050
Disc	Ductile Iron Stainless Steel 304 Stainless Steel 316	EN-JS 1050 EN 10088-3 1.4301 EN 10088-3 1.4401
Shaft	Stainless Steel 410 Stainless Steel 304 Stainless Steel 316	EN 10088-3 1.4006 EN 10088-3 1.4301 EN 10088-3 1.4401
Seat	EPDM/NBR
Spring	Stainless Steel 304 Stainless Steel 316	EN 10088-3 1.4301 EN 10088-3 1.4401
Gasket	PTFE
Lifting Ring*	Carbon Steel

*Lifting ring is for valve 8″ and above only

DIMENSIONS

DN

(mm)

(inch)

50

2

65

2¹/₂

80

3

100

4

125

5

150

6

200

8

250

10

300

12

350

14

400

16

450

18

500

20

600

24

L

43

46

64

64

70

76

89

114

114

127

140

152

152

178