Wilden T8 Operation & Maintenance Manual
Clamped metal pump
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Summary of Contents for Wilden T8
- Page 1 ENGINEERING OPERATION & MAINTENANCE MANUAL T8 Clamped Metal Pump Where Innovation Flows WIL-10272-E-02...
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Page 2: Warranty
Warranty Each and every product manufactured by Wilden is built to meet the highest standards of quality. Every pump is functionally tested to ensure integrity of operation. Wilden warrants that pumps, accessories and parts manufactured or supplied by it to be free from defects in material and workmanship for a period of five (5) years from date of installation or six (6) years from date of manufacture, whichever comes first. -
Page 3: Table Of Contents
T8 Metal CONTENTS SECTION 1: Precautions – Read First! ..................... 4 SECTION 2: Wilden Pump Designation System ..................5 SECTION 3: How It Works .......................... 6 SECTION 4: Dimensional Drawings ......................7 SECTION 5: Performance ........................... 8 T8 Metal Rubber-Fitted ..........................8 T8 Metal TPE-Fitted .......................... -
Page 4: Section 1: Precautions - Read First
CAUTION: Before installation, tighten all hardware. NOTE: Not all materials are available for all models. See “Wilden Pump Designation System” for material options for your pump. NOTE: Materials of construction and elastomer material CAUTION: When choosing pump materials, be sure to may influence suction lift parameters. -
Page 5: Section 2: Wilden Pump Designation System
OUTER PISTON WETTED PATHS MATERIAL CODES MODEL DIAPHRAGMS VALVE BALLS T8 = 51 MM (2″) BNS = BUNA-N (RED DOT) BN = BUNA-N (RED DOT) BNS = BUNA-N, ULTRA-FLEX™ EP = EPDM (BLUE DOT) WETTED PATH EPS = EPDM (BLUE DOT) FS = SANIFLEX™... -
Page 6: Section 3: How It Works
HOW IT WORKS – AIR-OPERATED DOUBLE-DIAPHRAGM PUMP The Wilden diaphragm pump is an air-operated, positive displacement, self-priming pump. These drawings show flow pattern through the pump upon its initial stroke. It is assumed the pump has no fluid in it prior to its initial stroke. -
Page 7: Section 4: Dimensional Drawings
T8 Metal SECTION 4 DIMENSIONAL DRAWING T8 METAL DIMENSIONS METRIC STANDARD ITEM (mm) (inch) 15.9 24.8 26.3 14.2 10.7 13.5 10.0 10.1 12.3 11.1 11.1 15.2 15 DIA 0.6 DIA LW0389 REV. B WIL-10272-E-02... -
Page 8: Section 5: Performance
85 Nm /h (50 scfm) air consumption. Caution: Do not exceed 8.6 bar (125 psig) air supply pressure. T8 METAL TPE-FITTED Ship Weight……..Aluminum 33 kg (72 lb) Cast Iron 52 kg (114 lb) 316 Stainless Steel 48.8 kg (106 lb) Alloy C 53.4 kg (116 lb) -
Page 9: T8 Metal Ptfe-Fitted
T8 Metal PERFORMANCE PERFORMANCE T8 METAL PTFE-FITTED Ship Weight……..Aluminum 33 kg (72 lb) Cast Iron 52 kg (114 lb) 316 Stainless Steel 48.8 kg (106 lb) Alloy C 53.4 kg (116 lb Air Inlet………………………..…19 mm(3/4") Inlet……………………………..51 mm (2") Outlet……………………………...…51 mm (2") Suction Lift……………………...3.7 m Dry (12') -
Page 10: T8 Metal Stallion Tpe-Fitted
T8 Metal PERFORMANCE T8 METAL STALLION TPE-FITTED Ship Weight……..Aluminum 33 kg (72 lb) Cast Iron 52 kg (114 lb) 316 Stainless Steel 48 kg (106 lb) Air Inlet………………………..…19 mm(3/4") Inlet……………………………..51 mm (2") Outlet……………………………...…51 mm (2") Suction Lift……………………..2.1 m Dry (7') 9.5 m Wet (31') -
Page 11: Suction Lift Capability
T8 Metal SUCTION LIFT CAPABILITY T8 METAL SUCTION LIFT CAPABILITY Suction-lift curves are calibrated for pumps operating at 305 m (1,000') above sea level. This chart is meant to be a guide only. There are many variables that can affect your pump's operating characteristics. -
Page 12: Section 6: Suggested Installation, Operation, Maintenance, And Troubleshooting
The suction pipe size should be at least equal to or larger than the elbows, bends and fittings should be avoided. Pipe sizes should diameter size of the suction inlet on your Wilden pump. The suction be selected to keep friction losses within practical limits. All piping hose must be a non-collapsible, reinforced type because these should be supported independently of the pump. -
Page 13: Operation
Frequency of use, line pressure, viscosity and abrasiveness of process fluid all affect the parts life of a Wilden Operation pump. Periodic inspections have been found to offer the best means The Pro-Flo SHIFT pumps are pre-lubricated and do not require in- for preventing unscheduled pump downtime. -
Page 14: Troubleshooting
T8 Metal SUGGESTED INSTALLATION, OPERATION, MAINTENANCE AND TROUBLESHOOTING Troubleshooting Pump air valve freezes. Pump will not run or runs slowly. Check for excessive moisture in the compressed air. Remove plug from pilot spool exhaust. Either install a dryer or a hot air generator for compressed Ensure that the air inlet pressure is at least 0.4 bar (5 psig) -
Page 15: Pump Disassembly
NOTE: Your specific pump model may vary from the configuration shown; however, (such as plywood, plastic or other pump disassembly procedure will be the same. suitable material) NOTE: Replace worn parts with genuine Wilden parts for reliable performance. Step 1 Step 2 Step 3 Before starting disassembly, mark a line Utilizing the 13 mm (1/2") box wrench,... - Page 16 NOTE: Inverting the pump will facility or abrasive wear. Replace worn parts with removal of the inlet manifold. genuine Wilden parts for reliable performance. Step 7 Step 8 Lift liquid chamber away from center section Using a 25 mm (1") box wrench, adjustable...
- Page 17 (Figure 9b). Repeat disassembly wrench, remove diaphragm assembly instructions for the opposite liquid chamber. Inspect diaphragm assembly and shaft for from shaft. signs of wear or chemical attack. Replace all worn parts with genuine Wilden parts for reliable performance. WIL-10272-E-02...
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Page 18: Air Valve/Center Section Disassembly
The bushing in the center block, along with the diaphragm shaft, provides the “trigger” to tell the air valve to shift. The following procedure will ensure that the air valve on your Wilden pump will provide long trouble-free service. - Page 19 The bushing in the center block, along with the diaphragm shaft, provides the “trigger” to tell the air valve to shift. The following procedure will ensure that the air valve on your Wilden pump will provide long trouble-free service.
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Page 20: Reassembly Hints And Tips
Stainless bolts should be lubed to reduce the possibility • When installing Glyd™ rings, the use of the Wilden • of seizing during tightening. Ringer tool simplifies seal installation. -
Page 21: Gasket Kit Installation
T8 Metal GASKET KIT INSTALLATION The Wilden T8 cast iron pumps require PTFE gasket tape on the liquid chambers (P/N 04-9502-99). Other pump types may use PTFE gasket kits for additional sealing characteristics. During reassembly follow the procedures listed in your pump’s Engineering, Operation and Maintenance manual. Carefully prepare sealing surfaces by removing all debris and foreign matter from diaphragm bead and all mating surfaces. - Page 22 T8 Metal LW0527 REV. A WIL-10272-E-02...
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Page 23: Section 8: Exploded View And Parts List
T8 Metal SECTION 8 EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST Model Description T8/AAAAB/ T8/AAAAB/…/0030 T8/WWAPB/ Qty. Item Description Air Distribution Components Air Valve Assembly 08-2000-07 Air Valve Screen 08-2500-07 End Cap w/Guide (Top) - Page 24 T8 Metal Piston, Outer 08-4600-01 08-4600-03 Ultra-Flex™ Components Shaft, PTFE Fitted 08-3820-03-07 Shaft Stud, 1/2"-20 X 1-7/8" 08-6150-08 Spacer, Piston, Ultra-Flex™ 08-3860-08 Piston, Inner 04-3700-08 Diaphragm, Primary Piston, Outer 04-4552-01 08-4560-02 LW0528 Rev. A * See elastomer chart - Section 9 Air Valve Assembly includes items 2, 3, 4, 5 and 6.
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Page 26: Section 9: Elastomer Options
08-1010-58 08-1080-58 08-1120-58 Aluminum 08-1121-01 Stainless Steel 08-1121-03 Mild Steel 08-1121-08 LW0528 Rev. A Used in conjunction with metallic valve seat. T8 Metal STALLION Pumps Diaphragms (2) Valve Balls (4) Valve Seats (4) Material Polyurethane 08-1010-50 08-1080-62-50 08-1120-62-50 Wil-Flex™ 08-1010-58... - Page 27 T8 Metal NOTES WIL-10272-E-02...
- Page 28 22069 Van Buren Street Grand Terrace, CA 92313-5651 USA P: +1 (909) 422 -1730 psgdover.com Where Innovation Flows Copyright 2021 PSG ® , a Dover ® Company ® reserves the right to modify the information and illustrations contained in this document without prior notice. This is a non-contractual document. WIL-10272-E-02...
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