T4 - Wilden Pumps

1 T4 Engineering Operation &. Original Series METAL Pumps Maintenance Simplify your process WIL-10262-E-01. TA B L E O F C O N T E N T S. SECTION 1 CAUTIONS READ FIRST! ..1. SECTION 2 Wilden PUMP DESIGNATION SYSTEM ..2. SECTION 3 HOW IT WORKS PUMP & AIR DISTRIBUTION SYSTEM ..3. SECTION 4 DIMENSIONAL DRAWINGS ..4. SECTION 5 PERFORMANCE. T4 Metal A. Rubber-Fitted ..5. TPE-Fitted ..5. PTFE-Fitted ..6. Ultra-FlexTM-Fitted ..6. B. Suction Lift Curves ..7. SECTION 6 SUGGESTED INSTALLATION, OPERATION & TROUBLESHOOTING ..9. SECTION 7 ASSEMBLY / DISASSEMBLY ..12. Air Valve/Center Block Disassembly/Reassembly.

2 15. Reassembly Hints & Tips ..17. Gasket Kit Installation..18. SECTION 8 EXPLODED VIEW & PARTS LISTING. T4 Metal Rubber/TPE-Fitted ..20. PTFE-Fitted ..22. SECTION 9 ELASTOMER OPTIONS ..24. II Ozone I&. ss N. Cla NO C le Air Act 90. an s of 19. t es n ndme SEbs e Am nc ep U. D. ta leting Su Section 1. CAUTIONS READ FIRST! TEMPERATURE LIMITS: CAUTION: Blow out air line for 10 to 20 seconds Polypropylene 0 C to 79 C 32 F to 175 F before attaching to pump to make sure all pipe line PVDF 12 C to 107 C 10 F to 225 F debris is clear. Use an in-line air filter. A 5 (micron) air Neoprene C to C 0 F to 200 F filter is recommended.

3 Buna-N C to C 10 F to 180 F NOTE: When installing PTFE diaphragms, it is impor- EPDM C to C 60 F to 280 F tant to tighten outer pistons simultaneously (turning in Viton 40 C to C 40 F to 350 F opposite directions) to ensure tight fit. Wil-Flex 40 C to C 40 F to 225 F. Polyurethane C to C 10 F to 150 F NOTE: Tighten clamp bands and retainers prior to instal- Saniflex C to C 20 F to 220 F lation. Fittings may loosen during transportation. PTFE C to C 40 F to 220 F NOTE: Before starting disassembly, mark a line from CAUTION: When choosing pump materials, be sure each liquid chamber to its corresponding air chamber.

4 To check the temperature limits for all wetted compo- This line will assist in proper alignment during reas- nents. Example: Viton has a maximum limit of C sembly. (350 F) but polypropylene has a maximum limit of only CAUTION: Verify the chemical compatibility of the 79 C (175 F). process and cleaning fluid to the pump's component CAUTION: Maximum temperature limits are based materials in the Chemical Resistance Guide (see E4). upon mechanical stress only. Certain chemicals will CAUTION: When removing the end cap using significantly reduce maximum safe operating tempera- compressed air, the air valve end cap may come out tures.

5 Consult engineering guide for chemical compat- with considerable force. Hand protection such as a ibility and temperature limits. padded glove or rag should be used to capture the CAUTION: Always wear safety glasses when operat- end cap. ing pump. If diaphragm rupture occurs, material being CAUTION: Only explosion proof (NEMA 7) solenoid pumped may be forced out air exhaust. valves should be used in areas where explosion proof WARNING: Prevention of static sparking If static equipment is required. sparking occurs, fire or explosion could result. Pump, NOTE: All non lube-free air-operated Pumps must be valves, and containers must be properly grounded when lubricated.

6 Wilden suggests an arctic 5 weight oil (ISO. handling flammable fluids and whenever discharge of grade 15). Do not over-lubricate pump. Over-lubrica- static electricity is a hazard. tion will reduce pump performance. CAUTION: Do not exceed bar (125 psig) air supply NOTE: On cast iron Pumps equipped with PTFE. pressure. diaphragms, balls and sealing rings, PTFE gasket kits CAUTION: Before any maintenance or repair is should be utilized. attempted, the compressed air line to the pump should NOTE: UL-listed Pumps must not exceed bar (50. be disconnected and all air pressure allowed to bleed psig) air supply pressure.

7 From pump. Disconnect all intake, discharge and air lines. Drain the pump by turning it upside down and allowing any fluid to flow into a suitable container. WIL-10262-E-01 1 Wilden PUMP & ENGINEERING, LLC. Section 2. Wilden PUMP DESIGNATION SYSTEM. T4 ORIGINAL LEGEND T4/X X X X X / XXX / XX / X XX / XXXX. METAL. O-RINGS. 38 mm (1-1/2") Pump MODEL. VALVE SEAT. VALVE BALLS. SPECIALTY. CODE. Maximum Flow Rate: DIAPHRAGMS (if applicable). AIR VALVE. 307 lpm (81 gpm) CENTER BLOCK OR CENTER SECTION. AIR CHAMBERS OR CENTER SECTION. WETTED PARTS & OUTER PISTON. MATERIAL CODES. MODEL DIAPHRAGMS VALVE BALL. T4 = 38 MM (1-1/2) BNS = BUNA-N (Red Dot) BN = BUNA-N (Red Dot).

8 WETTED PARTS BNU = BUNA-N, ULTRA-FLEX EP = EPDM (Blue Dot). & OUTER PISTON (Red Dot) FS = SANIFLEX . AA = ALUMINUM / ALUMINUM EPS = EPDM (Blue Dot) [Hytrel (Cream)]. WW = CAST IRON / CAST IRON EPU = EPDM, ULTRA-FLEX NE = NEOPRENE (Green Dot). WM = CAST IRON / MILD STEEL (Blue Dot) PU = POLYURETHANE (Brown). FSS = SANIFLEX TF = PTFE (White). AIR CHAMBER / CENTER SECTION [Hytrel (Cream)] VT = VITON (White Dot). A = ALUMINUM NES = NEOPRENE (Green Dot) WF = WIL-FLEX [Santoprene . M = MILD STEEL NEU = NEOPRENE, ULTRA-FLEX (Orange Dot)]. P = POLYPROPYLENE (Green Dot) VALVE SEAT. CENTER BLOCK / CENTER SECTION.

9 PUS = POLYURETHANE (Clear). TEU = PTFE W/EPDM A = ALUMINUM*. A = ALUMINUM BACK-UP (White) BN = BUNA-N (Red Dot). P = POLYPROPYLENE TNU = PTFE W/NEOPRENE EP = EPDM (Blue Dot). AIR VALVE BACK-UP (White) FS = SANIFLEX . TSU = PTFE W/SANIFLEX [Hytrel (Cream)]. B = BRASS H = ALLOY C*. BACK-UP (White). VTS = VITON (White Dot) M = MILD STEEL*. VTU = VITON , ULTRA-FLEX NE = NEOPRENE (Green Dot). (White Dot) PU = POLYURETHANE (Brown). WFS = WIL-FLEX [Santoprene S = STAINLESS STEEL*. (Orange Dot)] VT = VITON (White Dot). WF = WIL-FLEX [Santoprene . (Orange Dot)]. *No valve seat o-ring required. VALVE SEAT O-RING.

10 FS = FLUORO-SEAL . TF = PTFE (White). SPECIALTY CODES. 0014 BSPT. 0030 Screen based 0036 Screen based, BSPT. 0044 Stallion , balls & seats ONLY. 0045 Stallion , shaft & bumpers ONLY. 0046 Stallion , internals, BSPT. 0048 Stallion , internals 0050 Stallion 0051 Stallion , BSPT. 0113 Stallion , internals, spark free, BSPT. 0231 Stallion , externals (screen). 0233 Stallion , externals (screen), BSPT. NOTE: MOST ELASTOMERIC MATERIALS USE COLORED DOTS FOR IDENTIFICATION. Viton is a registered trademarks of DuPont Dow Elastomers. Wilden PUMP & ENGINEERING, LLC 2 WIL-10262-E-01. Section 3. HOW IT WORKS PUMP.