UK Product Handbook 2026 - Volume 1

44

Control systems Pressure reducing/surplussing valves

Dimensions (approximate) in millimetres

Flanged

Actuator type

Size

1 5 + 6 BCBCBCBCBC 2 3 4

EN 1092 PN40 A1

ASME 300 A1

ASME 150 A1

DN15

130

130

127

537 305 511 250 426 208 426 168 411 143

DN20

150

150

143

537 305 511 250 426 208 426 168 411 143

DN25

160

162

153

546 305 520 250 435 208 435 168 420 143

DN32

180

181

176

608 305 582 250 497 208 497 168 482 143

DN40 DN50 DN65 DN80 DN100

200

203

198

608 305 582 250 497 208 497 168 482 143

230

233

229

611 305 585 250 500 208 500 168 485 143

290

297

295

633 305 607 250 522 208 522 168 507 143

310

319

314

639 305 613 250 528 208 528 168 513 143

350

366

350

744 305 718 250 633 208 633 168 618 143

A1

4.6 44

DRV with Type 1/1N or Type 2/2N actuator

B

C

Type 3/3N and 4/4N actuator arrangement

Type 5/5N actuator arrangement

TI-P203-01 CTLS Issue 19

Page 10 of 11

DRV4 and DRV4G Cast Steel Pressure Reducing Valves

Powered by