UK Product Handbook 2026 - Volume 2

Pipeline ancillaries Bellows sealed stop valves

10

Dimensions/weights (approximate) in mm (inches) and kg (lbs)

C

B

C

D

E

B

A

Size

A

B

C

D

E

Weight

PN

ANSI 300

DN15 ½" DN20 ¾" DN25 1" DN40 1½" DN50 2" DN65 2½" DN80 3" DN100 4"

8.3 (18.3) 9.2 (20.3) 10.5 (23.1) 20.8 (45.9) 25.2 (55.6) 37.1 (81.8) 51.4 (113) 92.0 (203)

130 (5.12) 150 (5.91) 160 (6..30) 200 (7.87) 230 (9.06) 290 (11.4) 310 (12.2) 350 (13.8)

152 (5.98) 178 (7.01) 203 (7.99) 229 (9.02) 267 (10.5) 292 (11.5) 318 (12.5) 356 (14.0)

251 (9.88) 248 (9.76) 260 (10.2) 295 (11.6) 307 (12.1) 342 (13.5) 375 (14.8) 503 (19.8)

106 (4.17)

61.5 (2.42)

125 (4.92)

107 (4.21) 117 (4.61) 121 (4.76) 129 (5.08) 136 (5.35) 147 (5.79)

63.0 (2.48) 73.0 (2.87) 83.5 (3.29) 100.0 (3.94) 118.0 (4.65) 147.5 (5.71)

7.1.29

200 (7.87)

315 (12.4)

10.1 36

Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions (IM-P165-02) supplied with this product. Disposal This product is recyclable. No ecological hazard is anticipated with the disposal of this product, providing due care is taken. How to order Example: 1 off DN25 Spirax SafeBloc TM DBB3 double block and bleed bellows sealed stop valve having flanged PN40 connections. The bleed valve connection is to be DN15 flanged PN40. Note: The bleed valve is to be ordered separately. For example: 1 off Spirax Sarco DN15 BSA3 bellows sealed stop valve having flanged PN40 connections.

TI-P184-08 CMGT Issue 10

Page 4 of 5

Spirax SafeBloc TM DBB3 Double Block and Bleed Bellows Sealed Stop Valve

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