PVC BUTTERFLY VALVES HAND LEVER OPERATED
Sizes: 3" to 8" PVC or PP or PVDF
Seals and 0-rings: EPDM/viton
Pressure Rating: 150 P.S.I at 70°F
Excellent flow rates. Full liner with integrated material ID and position lock( liner will not pinch during disc seating). Full bolt circle - light weight body (40%lighter than PVC). Glass filled Polypropylene body (service temperature of 250°F). 316 Stainless steel hexagon shaft-non wetted. Extremely low stress distribution from shaft to disc due to hexagon shaft design. Double 0-ring shaft seals with PVDF non wearing shaft bearing. Integrated valve mounting pad at bottom of valve for supporting piping system. Multiple valve position locks for fine flow control - resists high torque loads. Lockable rugged plastic (PPGF) handle. Service friendly - liner can be changed in minutes without special tools. Fits ANSI 150lbs and ISO metric flanges
pressure rating - 150psi-all sizes
ECONOMY TRUE UNION BALL VALVES
Sizes: 1/2" to 4"
Material: Grade 1 PVC - NSF 61
O-RINGS: EPDM - NSF 50
Ball Seats: Polyethylene - NSF 61
Pressure Rating: 200 P.S.I (3/8" to 2")
150 P.S.I (2 1/2" to 4")
Adjustable ball seat pressure (Safe Block)
Handle can be used as tool to adjust threaded seal carrier.
PERMA-SEAL-2 & 3-PORT VALVES
Sizes: 1 1/2" - 2 1/2" U-PVC body , Glass filled Noryl rotor, ABS handle, NSF 61
O-RINGS: EPDM
Rotor Seal: Permanently lubricated elastic polymer (proprietary compound, Teflon, Silicone)
Pressure Rating: 50 psi Positive seal back pressure: 15 psi
Proportional mixing availability. Double O-ring shaft seal. Permanently lubricated rotor seal with extreme wear resistance, exceeds 3000 dry cycle requirement.
Chlorine, acid and ozone resistant construction. Handle-locking knob provides eye-let for lock attachment. Engineered "PLAST-TITE" screws ( 18.8 stainless ) will not crack plastic when servicing valve. Universal shaft spline pattern adapts to most actuators. All wetted materials are of NSF-50 or 61 designation.
Single Union Ball Valves
Sizes: 1 1/2" & 2" PVC White 150 psi
Praher's unique pinned true single union ball valve design provides for user friendly handle operation - union nut load does not transfer onto ball seat, thereby providing user with easy handle operation even if valve not operated for a long period of time.
valve seat will not blow out from static pressure if union nut removed.
K4 Swing Check Valves
Sizes: 3" to 8" PVC or PPGF
O-Rings: EPDM, VITON
Pressure Rating: 150 P.S.I
Non wetted stainless steel spring available
with or without position indicator.
No spacer ring required.
Universal Flange Bolt Pattern.
Top or Side Mounted Multiport Valves
Sizes: 1/2" & 2"
Material: ABS (white or black)
Noryl - glass filled
O-RINGS: EPDM
Choice of socket or threaded (BSP or NPT) ports.
Choice of screw-down, bolt-down or clamp-down models
O-ring for stand pipe standard
Laboratory Ball Valve (Lab cock valve)
Sizes: 1/4"-sch80 PVC or PVDF
O-RINGS: EPDM or Viton
Ball Seats: PTFE
Ends: Male threaded x female threaded
with one MPT x hose fitting
Single Union Check Valves
Sizes: 1 1/2" & 2"
Material: Grade 1 PVC (White) - NSF 61
O-RINGS: EPDM, NSF 50
Compression Spring: S.S. 302
Pressure Rating: 150 P.S.I
Double Union Spring Check Valves
Sizes: 1/2" to 3"
Material: PVC, PP, PVDF
O-RINGS: EPDM, Viton
Design: Schedule 80
Note: 1/2" - 2" - 232 P.S.I @ 73°F
3" - 150 P.S.I @ 73°F
Knife Gate Valves
Sizes: 1" to 4" PVC
O-RINGS: EPDM
Seals: TPE Ozone Resistant (Santoprene)
Pressure Rating: 50 P.S.I. (1 1/2"&2 1/2") 40 P.S.I. (3" & 4")
Gate: POM (1 1/2" to 2 1/2") PVC-(3"&4")
Shaft: 316 stainless steel 1"-2 1/2" = white, 3" & 4" = grey
PVC Diaphragm Valves Flanged
Sizes: 2 1/2" to 5"
Material: PP/PVDF
Diaphragm: EPDM/PTFE (Teflon)
Operator: Hand wheel with position indicator and wheel lock
Style: Flanged or spigot (metric)
Metal Butterfly Valves
Sizes: 3"-8"
Spears PVC&CPVC True Union Ball Valves
The unique design features of this quarter-turn shut off valve make it one of the most specified ball valves for industrial and chemical processing applications. Available in IPS sizes 1/2" through 4" with choice of socket, threaded or flanged end connectors
Spears Diaphragm Valve
This full-featured valve is engineered to provides accurate throttling control and shutoff for industrial, chemical and water treatment applications. Weir type design eliminates entrapped fluids in valve and is excellent for handling liquids with spended
solids, viscous fluids and slurries. Available in PVC, CPVC and Glass Filled Polypropylene with a variety of Diaphragm material options. Sizes 2-1/2" - 8" with Flanged Body.
Spears Gear Butterfly Valves
Spears® innovative design departs from traditional liner-seat type valves to eliminate seat creep, reduce operating torque and provide positive seal off. Ideally suited for fl ow control or throttling, this high performance valve is offered with a full variety of options for greater application versatility. Standard valves are produced from PVC or high temperature CPVC in IPS sizes 1-1/2" through 16".