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Thermoplastic Valves Product Guide & Engineering Specifictions
Plug Gate Valves
Page 769 Suitable for Oil-Free air handling to 25 psi, not for distribution of compressed air or gas Spears
®
Manufacturing Company
Due to Material Cost Variations, Prices Sub
j
ect to Chan
g
e. Check On-line Catalo
g@
www.spearsmf
g
.com
1: For CPVC valves, add the letter "C" to the part number (e.g; 5222-005C, 5211-005CSR)
Sample Engineering Specification
All thermoplastic valves shall be Plug Gate style constructed
from PVC Type I, ASTM D 1784 Cell Classification 12454
or CPVC Type IV, ASTM D 1784 Cell Classification 23447,
with Polypropylene bonnets and high impact Polypropylene
hand wheel. All valves shall have non-rising stem and
Plug-style Polyethylene gate with Strain-Equalizing thread.
All valve components shall be replaceable. All 1/2" - 2"
valves shall be pressure rated to 235 psi and all flanged valves
1/2" - 8" to 150 psi for water @ 73°F, as manufactured by
Spears
®
Manufacturing Company.
Quick-View Valve Selection Chart
Valve
Size
O-ring
Material
PVC Part Numbers
1
Pressure
Rating
Socket SR Threaded Flanged
1/2
Buna-N 5212-005 5211-005SR 5213-005
235 psi
Non-Shock
Water @ 73°F
(Flanged
150 psi
Non-Shock
Water @ 73°F)
EPDM 5222-005 5221-005SR 5223-005
FKM 5232-005 5231-005SR 5233-005
3/4
Buna-N 5212-007 5211-007SR 5213-007
EPDM 5222-007 5221-007SR 5223-007
FKM 5232-007 5231-007SR 5233-007
1
Buna-N 5212-010 5211-010SR 5213-010
EPDM 5222-010 5221-010SR 5223-010
FKM 5232-010 5231-010SR 5233-010
1-1/4
Buna-N 5212-012 5211-012SR 5213-012
EPDM 5222-012 5221-012SR 5223-012
FKM 5232-012 5231-012SR 5233-012
1-1/2
Buna-N 5212-015 5211-015SR 5213-015
EPDM 5222-015 5221-015SR 5223-015
FKM 5232-015 5231-015SR 5233-015
2
Buna-N 5212-020 5211-020SR 5213-020
EPDM 5222-020 5221-020SR 5223-020
FKM 5232-020 5231-020SR 5233-020
6
EPDM --- --- 5223-060
FKM --- --- 5233-060
8
EPDM --- --- 5223-080
FKM --- --- 5233-080
Features – PVC, CPVC
Spears
®
Plug Gate Valve utilizes a cylindrical “plug-
style” gate for more uniform sealing and positive shutoff.
Low-profile, compact design and non-rising stem saves
space for the most demanding applications. Spears
®
Strain-Equalizing stem/wedge design combined wit
h
improved Polypropylene bonnet makes this one of th
e
most reliable thermoplastic gate valves available. Valves
are produced from PVC or CPVC bodies in IPS sizes o
f
1/2" - 2" with Socket & SR Threaded or 1/2" - 8" Flange
d
end connections.
• Chemical & Corrosion Resistant PVC or CPVC
Construction with Polypropylene Bonnet
•
Polyethylene Plug-Style Gate Provides Cylindrical
Internal Seal
• Non-Rising Stem with Patented Strain-Equalizing
Threads
• 6" and 8" Valves Features Built-in Position Indicator
• High-Impact Polypropylene Hand Wheel
• Fully Serviceable In-line with Repair Kits or Full Internal
Replacement Cartridges
• Buna-N, EPDM or FKM O-ring Seals
• Sizes 1/2" – 2" Pressure Rated to 235 psi @ 73°F
Flanged through 8" to 150 psi @ 73°F
• Suitable for Vacuum Service
• Assembled with Silicone-Free, Water Soluble Lubricants
• Optional 2" Square/T-Style Operator Nut available.
Valve
Size
Part Number
Buna-N O-ring EPDM O-ring FKM O-ring
1/2, 3/4 & 1 PGT-BRK-010 PGT-ERK-010 PGT-VRK-010
1-1/4, 1-1/2 & 2 PGT-BRK-020 PGT-ERK-020 PGT-VRK-020
6 --- PGT-ERK-060 PGT-VRK-060
8 --- PGT-ERK-080 PGT-VRK-080
Plug Gate Valve O-ring Repair Kit
All kits include Stem O-ring (2), Bonnet O-ring (1).
Plug Gate Valve Internal
Replacement Cartridge
Internal Replacement Cartridge includes complete, fully
assembled Handle Nut, Stem O-ring, Bonnet O-ring,
and Gate for direct insertion into existing valve body.
Valve
Size
Part Number
Buna-N
O-rings
CPVC w/
Buna-N
O-rings
EPDM
O-rings
CPVC w/
EPDM
O-rings
FKM
O-rings
CPVC w/
FKM
O-rings
1/2, 3/4 & 1 5210-010 5210-010C 5220-010 5220-010C 5230-010 5230-010C
1-1/4, 1-1/2 & 2 5210-020 5210-020C 5220-020 5220-020C 5230-020 5230-020C
6
--- ---
5220-060 5220-060C 5230-060 5230-060C
8
--- ---
5220-080 5220-080C 5230-080 5230-080C