User Manual

ManualsBrandsRoss Controls ManualsAccessories for airEXPLOSION-PROOF VALVES SERIES 27

2 ROSS CONTROLS

4/2 Valves

2/2 Valves

Port Sizes Valve Model Avg. Dimensions inches (mm) Weight

In-Out Exh. Number C

A B C lb (kg)

1/4 1/2 2776B2002 2.5 4.0 (100) 3.9 (97) 8.0 (203) 1.9 (0.9)

3/8 1/2 2776B3002 3.6 4.0 (100) 3.9 (97) 8.0 (203) 1.9 (0.9)

1/2 1/2 2776B4002 3.7 4.0 (100) 3.9 (97) 8.0 (203) 1.9 (0.9)

1/2 1 2776B4002 6.9 4.7 (118) 5.3 (135) 10.0 (254) 4.2 (1.9)

3/4 1 2776B5002 8.2 4.7 (118) 5.3 (135) 10.0 (254) 4.2 (1.9)

1 1 2776B6012 8.9 4.7 (118) 5.3 (135) 10.0 (254) 4.2 (1.9)

1 1½ 2776B6002 23 6.5 (166) 8.3 (211)

12.0 (305)

11.0 (5.0)

1¼ 1½ 2776B7002 24 6.5 (166) 8.3 (211)

12.0 (305)

11.0 (5.0)

1½ 1½ 2776B8012 25 6.5 (166) 8.3 (211)

12.0 (305)

11.0 (5.0)

* NPT pressure port threads, for BSPP threads add a “D” preﬁx to the model number e.g.,

D2771B2002.

Port Valve Model Number* Avg. C

Dimensions inches (mm)

Weight

Size NC NO NC NO A B C lb (kg)

1/4 2771B2002 2772B2002 2.3 2.3 3.6 (91) 3.2 (79) 9.0 (229) 3.0 (1.4)

3/8 2771B3002 2772B3002 3.8 3.3 3.6 (91) 3.2 (79) 9.0 (229) 3.0 (1.4)

1/2 2771B4012 2772B4012 4.0 3.5 3.6 (91) 3.2 (79) 9.0 (229) 3.0 (1.4)

1/2 2771B4002 2772B4002 7.7 6.5 4.6 (116) 3.2 (79) 9.0 (229) 3.6 (1.6)

3/4 2771B5002 2772B5002 9.0 7.3 4.6 (116) 3.2 (79) 9.0 (229) 3.6 (1.6)

1 2771B6012 2772B6012 9.0 7.9 4.6 (116) 3.2 (79) 9.0 (229) 3.6 (1.6)

1 2771B6002 2772B6002 24 21 6.7 (169) 4.1 (104) 12.0 (305) 7.5 (3.4)

1¼ 2771B7002 2772B7002 29 20 6.7 (169) 4.1 (104) 12.0 (305) 7.5 (3.4)

1½ 2771B8012 2772B8012 29 21 6.7 (169) 4.1 (104) 12.0 (305) 7.5 (3.4)

1½ 2771B8002 2772B8002 49 49 8.7 (219) 5.2 (131) 13.0 (330) 16.0 (7.3)

2 2771B9002 2772B9002 57 57 8.7 (219) 5.2 (131) 13.0 (330) 16.0 (7.3)

2½ 2771B9012 2772B9012 64 72 8.7 (219) 5.2 (131) 13.0 (330) 16.0 (7.3)

* NPT pressure port threads, for BSPP threads add a “D” preﬁx to the model number e.g., D2771B2002.

Port Sizes Valve Model Number Avg. C

Dimensions inches (mm)

Weight

In-Out Exh. NC NO NC NO A B C lb (kg)

1/4 1/2 2773B2002 2774B2002 2.8 2.5 3.6 (91) 3.2 (79) 9.0 (229) 2.5 (1.2)

3/8 1/2 2773B3002 2774B3002 4.0 3.0 3.6 (91) 3.2 (79) 9.0 (229) 2.5 (1.2)

1/2 1/2 2773B4012 2774B4012 3.8 3.0 3.6 (91) 3.2 (79) 9.0 (229) 2.5 (1.2)

1/2 1 2773B4002 2774B4002 7.8 7.2 4.6 (116) 3.6 (92) 9.0 (229) 3.3 (1.5)

3/4 1 2773B5002 2774B5002 9.4 7.2 4.6 (116) 3.6 (92) 9.0 (229) 3.3 (1.5)

1 1 2773B6012 2774B6012 10 7.2 4.6 (116) 3.6 (92) 9.0 (229) 3.3 (1.5)

1 1½ 2773B6002 2774B6002 29 21 6.7 (169) 4.9 (123) 12.0 (305) 7.0 (3.2)

1¼ 1½ 2773B7002 2774B7002 31 22 6.7 (169) 4.9 (123) 12.0 (305) 7.0 (3.2)

1½ 1½ 2773B8012 2774B8012 31 21 6.7 (169) 4.9 (123) 12.0 (305) 7.0 (3.2)

1½ 2½ 2773B8002 2774B8002 69 58 8.7 (219) 6.4 (161) 13.0 (330) 16.5 (7.4)

2 2½ 2773B9002 2774B9002 70 60 8.7 (219) 6.4 (161) 13.0 (330) 16.5 (7.4)

2½ 2½ 2773B9012 2774B9012 71 55 8.7 (219) 6.4 (161) 13.0 (330) 16.5 (7.4)

* NPT pressure port threads, for BSPP threads add a “D” preﬁx to the model number e.g., D2773B2002.

3/2 Valves

Single Solenoid Pilot Controlled