963 PAS Manual Bonnet
Capable of withstanding typical washdown media, the 963 PAS manual bonnet is a fully featured, compact, lightweight, yet rugged design. The 963 is packed with features that fulfill the most demanding requirements of today’s critical bioprocessing systems. Specifications
Size Range:
½"-4" (DN15-DN100)
Service Pressure/Temperature:
Max Service Pressure:
150 psig (10.34 bar)
Max Service Temperature:
300° F (149° C)
External Temperature Limitations:
300°F (149°C) for models 963-S2-M2-M17
S2 = Viton seal
M2 = Sanitary internals
M17 = PPS cap
175°F (79°C) for models 963
Bonnet & Handwheel Material:
Glass reinforced polyarylsulfane (PAS)
FDA compliant to 21CFR 177.1660
Corrosion Resistance:
Resists alcohol, chloride and most caustic washdowns. For specific chemical resistance, consult factory.
Literature & Maint. Manuals
Topworks Brochure
English PFTOP-06
English A4 PFTOPA4-06
Handwheel Operated Maintenance Manual for 963 PFMM-01
Product Options
Standard Features:
• Rising stem
• Adjustable travel stop
• Protective cap
• Brass stem bushing
• Visual position indicator
• Permanent lubrication
• “O” Ring seals
• Bronze compressor
• Enclosed fasteners ½"–3" (DN15–DN80)
• Hygienic internals: ½"- 2"
Optional Features:
• Sealed bonnets: 963S
• Hygienic internals (M2): 3-4"
• Lockable: .5, .75, 1"
Autoclavable Option:
• 963S-S2-M2-M17
S2 = Viton seal
M2 = Sanitary internals
M17 = PPS cap
A sealed bonnet provides a secondary containment area for process fluids if the diaphragm should ever fail. A “V” notch vent plug is provided to serve as a leak detector and prevents the release of process fluids into the atmosphere. Sealed bonnets are an available option on 963 manual bonnets.
