Pressure and Differential Pressure Switches, Explosion-Proof Enclosure
700
This broad Ashcroft® switch series is ideal for use in virtually all process and industrial applications.
• Explosion-proof NEMA 7/9, IP66 enclosure (explosion-proof enclosure Class I, Div. 1 & 2, Groups B, C, & D and Class II, Div. 1 & 2, Groups E, F & G)
• Choice of switch elements for all applications, including hermetically sealed
• Wide choice of wetted materials, including all-welded Monel or stainless steel
• Fixed or limited adjustable deadband
• UL listed
• Various actuators available
• Belleville actuator
• Readily available
• Standard pressure connection materials:
Pressure psi ranges - 316L SS
Differential psid ranges - Nickel plated brass
Pressure and differential inches of water ranges - Epoxy coated carbon steel
• ATEX models available
• CSA models available
• FM models available
• Setpoints adjustable from 15-100% of range
Select a link under the "item" tab below to order.
| Table 1 | Table 2 | Table 3 | Table 4 | Table 5 |
| XX | XX | X | XXX | XX |
| Table 1 | Enclosure |
| B7 | Pressure switch, type 700, explosion-proof enclosure meets Div.1 & 2, NEMA 7/9, IP66 requirements |
| D7 | Differential pressure switch, type 700, explosion-proof enclosure meets Div. 1 & 2, NEMA 7/9, IP66 requirements |
| Table 2 | Switch Element |
| 20 | Narrow deadband |
| 21* | Ammonia service |
| 22 | Hermetically sealed switch, narrow deadband |
| 23 | Heavy duty ac |
| 24** | General purpose |
| 25 | Heavy duty dc |
| 26 | Sealed environment proof |
| 27 | High temp. 300°F |
| 31 | Low level (gold)contacts |
| 32 | Hermetically sealed switch, general purpose |
| 50 | Variable deadband |
| UL/CSA Listed Dual SPDT |
| 61 | Dual narrow deadband |
| UL/CSA Listed Dual SPDT |
| 62 | Dual narrow environment proof |
| UL/CSA Listed Dual SPDT |
| 63 | Dual high temp. 300°F |
| UL/CSA Listed Dual SPDT |
| 64 | Dual general purpose |
| UL/CSA Listed Dual SPDT |
| 65 | Dual ammonia service |
| UL/CSA Listed Dual SPDT |
| 67 | Hermetically sealed switch, narrow deadband |
| UL/CSA Listed Dual SPDT |
| 68 | Dual hermetically sealed switch, general purpose |
| Table 2 | Actuator Seal |
| Code | Material | Range |
| B | Buna N | yes | yes |
| V | Viton | yes | yes |
| T | Teflon | yes | yes |
| S | SS |
| P | Monel |
| Table 3 | Options |
| X06 | Pressure connection: ½ NPT male, ¼ NPT female combination |
| Table 4 | Pressure Range |
| 10 in.H₂O | 10 in.H₂O psi |
| 30 in.H₂O | 30 in.H₂O psi |
| 60 in.H₂O | 60 in.H₂O psi |
| 100 in.H₂O | 100 in.H₂O psi |
| 150 in.H₂O | 150 in.H₂O psi |
| 15# | 15 psi |
| 30# | 30 psi |
| 60# | 60 psi |
| 100# | 100 psi |
| 200# | 200 psi |
| 400# | 400 psi |
| 600# | 600 psi |
| 1000# | 1000 psi* |
| 3000# | 3000 psi |
