Key facts
- Manuals
- 2
- Languages
- EN · ZH
- Last added
- 2026-10-03
Featured Pure-Flo manuals
Pure-Flo Manual Bonnet Switch Operator and Technical Service Manual
This manual provides operator and technical/service instructions for the Pure-Flo Manual Bonnet Switch. It is intended to be used together with the Installation, Operation and Maintenance Manual for Pure-Flo Handwheel Operated Valves.
The document details safety precautions, switch function, wiring recommendations, installation and adjustment procedures, and maintenance guidelines, including valve disassembly and travel‑stop settings. Contact information for Pure-Flo support locations is also included.
Covers: General · Model Numbers · Safety · Switch Function · Installation and Adjustment · Valve Maintenance and Adjustment
Pure-Flo 970 Handwheel Operated Valve User Manual
This manual covers the safe installation, operation, adjustment and regular maintenance of the Pure-Flo 970 handwheel operated diaphragm valve. It includes safety requirements, qualification of personnel, transport and storage guidelines, as well as detailed procedures for adjusting travel limits and replacing diaphragms.
The document also provides technical data such as valve stem travel and turn counts for various pipe sizes, torque specifications for valve head bolts, and recommended lubrication oils. Contact information for ITT Pure‑Flo support in the USA, China and the UK is listed for further assistance. This manual is written in Chinese.
Covers: General Description · Safety · Installation · Operation and Adjustment · Maintenance · Transportation and Storage
Latest Pure-Flo manuals
Pure-Flo Manual Bonnet Switch Operator and Technical Service Manual
Service Manual 2 pages · 148 KB · ENOperator and technical/service instructions for Pure-Flo Manual Bonnet Switch (models MBSWMS, MBSWMG) covering installation, adjustment, and maintenance.
Pure-Flo 970 Handwheel Operated Valve User Manual
User Manual 6 pages · 332 KB · ZHChinese user manual providing installation, operation, adjustment and maintenance instructions for the Pure-Flo 970 handwheel valve.
Which document do I need?
Service Manual
Disassembly, diagnostics and part numbers, for repair.
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Pure-Flo manuals
What are the model numbers of the Pure-Flo Manual Bonnet Switch?
The manual bonnet switch is offered as model MBSWMS and model MBSWMG.
From: Pure-Flo Manual Bonnet Switch Operator and Technical Service Manual
What is the recommended maximum wire size for wiring the switch?
The recommended maximum wire size is 16 AWG, though 14 AWG may also be used.
From: Pure-Flo Manual Bonnet Switch Operator and Technical Service Manual
What qualifications are required for personnel operating the valve?
Operators, maintenance staff and assemblers must have appropriate qualifications and training as required by the manufacturer.
How is the travel limit adjusted on the valve?
To adjust the travel limit, remove the travel‑limit bolt, mount the valve on the test rig, apply pressure, rotate the handwheel until leakage stops, then press the wheel against the limit surface and reinstall the bolt.