Data Sheet CASHCROFTTrust the shield.® B-Series Switches - Pressure, Differential Pressure & Hydraulic ■ Adjustable setpoints 15-100% of range ■ Fixed or limited adjustable deadband ■ Wide selection of switch elements ■ Explosion proof enclosure provides uncompromising protection ■ Special designs for NACE & fire applications SIL 3 Capable (B and D series only) TYPICAL USES ■ Chemical and petrochemical plants ■ Pulp and paper mills ■ Water and sewage-treatment plants ■ Other corrosive environments Setpoint: Factory set or field adjustable Setpoint ±1% of full range (Additional setpoint shift Repeatability: of 1% of range per 50 °F from initial set Enclosure Rating: B4/H4: NEMA 4X, IP66 Enclosure Material: Epoxy coated aluminum (standard) Optional: 316 stainless steel (NEMA 7/9 only) Diaphragm Material: Buna-N, Viton™, Teflon”, SS, Monel® Pressure Connection: % NPT Female (standard) Optional: % NpT Female, % NPT Female & % NPT Male combo Electrical Output: SPDT or DPDT Electrical % NPT Female (standard) Termination: Optional: % NpT Female, M20 X 1.5 Range: All units calibrated at 70 °F Process 0 °F to 150 °F (Buna-N or Teflon™ diaphragm) Temperature: 20 °F to 300 °F (Viton™ diaphragm) Pressure Ranges: Pressure: Vac-3000# ATEX: Sira 02ATEX1391X (B7/D7 with XCN) CSAE 21UKEX1056X (B7/D7 with XCN lECEx SIR 14.0077X FM: Limit Contol and Steam Limit Control CE, UKCA • Highly reliable • Designed for use in wide range of applications • Pressure ranges from vacuum to 7,500 psi CLASS I DIV 1 GROUPS B, C, & D CLASS II DIV 1 GROUPS E, F, & G All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft® and Trust the Shield® are trademarks of Ashcroft Inc. The following non-Ashcroft trademarks are the property of their respective owners: Monel®, Teflon™, Viton™. For more information, see Ashcroft Brands & Trademarks ©2022 Ashcroft Inc. bswp_switch_ds_RevJ_10-21-22

Data Sheet CASHCROFT Trust the shield.® PRESSURE, DIFFERENTIAL PRESSURE & HYDRAULIC RANGES Nominal Pressure Proof psi I Burst psi 20, 26, 27 I 21, 24, 31 I 50 I 22 I 327 Approximate deadbands for optional diaphragms: Viton: Multiply Buna-N value by 1.4 Teflon: Multiply Buna-N value by 1.2 Stainless Steel: Multiply Buna-N value by 1.7 Monel: Multiply Buna-N value by 1.7 NOTES: 1. Switches may generally be set between 15% and 100% of nominal range on increasing pressure. Consult factory for applications where setpoints must be lower. 2. All deadbands are given in English units as shown in the nominal...

Data Sheet CASHCROFT Trust the shield.® B4 - Pressure switch, Type 400, watertight enclosure meets NEMA 3, 4, 4X, 13 and IP66 requirements. B7 - Pressure switch, Type 700, explosion-proof enclosure meets Div. 1 & 2, NEMA 7, 9 and IP66 requirements. Standard housing epoxy coated aluminum. Use variation code XYW for 316SS housing. D4 - Differential pressure switch, Type 400, water-tight enclosure meets NEMA 3, 4, 4X, 13 and IP66 requirements. D7 - Differential pressure switch, Type 700, explosion- proof enclosure meets Div. 1 & 2, NEMA 7, 9 and IP66 requirements. Standard housing epoxy coated aluminum....

Data Sheet CASHCROFT Trust the shield.® H4 - Hydraulic pressure switch, Type 400, watertight enclosure meets NEMA 3, 4, 4X, 13 and IP66 requirements. Switch Element Selection 20 - Narrow deadband ac, 15A - 125/250 Vac. Estimated dc rating, 0.4A, 120 Vdc (not UL listed) 22 - Hermetically sealed switch, narrow deadband, 5A - 125/250 Vac. Estimated dc rating, 2.5A, 28 Vdc (not UL listed). 24 - General purpose, 15A - 125/250/480 Vac, Y2A - 125 Vdc, VaA - 250 Vdc; 6A, 30 Vdc. Standard switch. 26 - Sealed environment proof, 15A - 125/250 Vac. Estimated dc rating, 0.4A, 120 Vdc (not UL listed) 28 -...

Data Sheet B-Series Switches – Pressure, Differential Pressure & Hydraulic OPTIONAL FEATURES AND ACCESSORIES B-SERIES SWITCH OPTIONS Appicable Switch Series Differential Pressure Pressure H Code Description (psi)   (in. H2O) (psi)  (in. H2O) Notes XBP Wall Mounting Bracket in. H2O • • XCH Chained Cover • • • • • XC8 CSA Approval • • • • Standard on 400 Series XCN ATEX Directive 94/9/EC/IECEx Rating • • • • 700 Series only. XC4 Traceable Calibration Certificate • • • • XD2 Dual Seal Rating (700 Series only) • • FM Approval – Single Element • • • • N/A on all combinations. “T” diaphragm N/A on...

Data Sheet B-Series Switches – Pressure, Differential Pressure & Hydraulic B 400 DIMENSIONS For reference only, consult Ashcroft for specific dimensional drawings Pressure switch – inches of water ranges Pressure switch – psi ranges 4.00 101.6 BRACKET WHEN "XBP" VARIATION REQUIRED Differential pressure switch – psi differential ranges 2.55 64.9 1/4 NPT FEMALE HIGH PRESSURE PORT 1/4 NPT FEMALE LOW PRESSURE PORT Differential pressure switch – inches of water ranges 4.00 101.6 .50 12.7 1/4 NPT FEMALE; LOW PRESSURE PORT 1/4 NPT FEMALE; HIGH PRESSURE PORT 3.19 81.1 5.75 146.1 BRACKET WHEN "XBP" VARIATION...

Data Sheet B-Series Switches – Pressure, Differential Pressure & Hydraulic B 700 DIMENSIONS For reference only, consult Ashcroft for specific dimensional drawings Pressure switch – inches of water ranges Pressure switch – psi ranges 8.12 206.2 1/4 NPT FEMALE HIGH PRESSURE PORT 10-32 X 3/8" 2 HOLES EXTERNAL GROUND EXTERNAL GROUND 1/4 NPT FEMALE Differential pressure switch – psi differential ranges 1/4 NPT FEMALE LOW PRESSURE PORT Differential pressure switch – inches of water ranges 1/4 NPT FEMALE LOW PRESSURE PORT 1/4 NPT FEMALE HIGH PRESSURE PORT EXTERNAL GROUND 7 of 9 All specifications are...

Data Sheet Switches –– B-Series Switches Differential Pressure Pressure & - Explosion Pressure, Differential Hydraulic Proof B 700 DIMENSIONS For reference only, consult Ashcroft for specific dimensional drawings Pressure switch – inches of water ranges Pressure switch – psi ranges 8.12 206.2 1/4 NPT FEMALE HIGH PRESSURE PORT 10-32 X 3/8" 2 HOLES EXTERNAL GROUND EXTERNAL GROUND 1/4 NPT FEMALE Differential pressure switch – psi differential ranges 1/4 NPT FEMALE LOW PRESSURE PORT Differential pressure switch – inches of water ranges 1/4 NPT FEMALE LOW PRESSURE PORT 1/4 NPT FEMALE HIGH PRESSURE...