5203

升降式止回阀pn16

PN16 Fig No.: F53P

FEATURES & SPECIFICATIONS

Spring loaded
Bolted bonnet
Painted body
Face-to-face dimension conforms to DIN 3202 F1 series
Flange drilled 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, General Industries.

分类：机械服务和暖通空调, 铁阀

描述

TECHNICAL SPECIFICATIONS

Working Pressure	16bar .
Shell Testing Pressure	(x1.5) 24bar
Seat Testing Pressure	(x1.1) 17.6bar
Working Temperature	-10°C … 120°C
Suitable Media	Water, Oil, Gas

Material Specification

Part	Material	Specification
Body	Cast Iron	EN-JL 1040
Bonnet	Cast Iron	EN-JL 1040
Disc/Stem	Stainless Steel Cast Iron	BS970 420S37 EN-JL 1040
Disc Ring	Stainless Steel	BS970 420S37
Seat Ring	Stainless Steel	BS970 420S37
Gasket	Graphite	Non-Asbestos
Spring	Stainless Steel	BS970 304S15
Bushing	Brass	EN 12165 W603N

DIMENSIONS

DN

(mm)

(inch)

15

¹/₂

20

³/₄

25

1

32

1¹/₄

40

1¹/₂

50

2

65

2¹/₂

80

3

100

4

125

5

150

6

200

8

250

10

300

12

L

130

150

160

180

200

230

290

310

350

400

480

600

730

850

H

64

68

81

95

100

113

128

148

162

190

220

260

318

378