butterfly gasket installation
1.2.3.1. PVC Fittings Online makes this easy by naming our kits by the same size as the valve and flange. A light coating of a lubricant applied to the flange sealing surface may aid in installation. Sale Bestseller No. The wafer-style butterfly valve is designed to maintain a seal against bi-directional pressure differential to prevent any backflow in systems designed for unidirectional flow. I have 2 tiny pinhole leaks that are coming down the outside wall of the pool. The butterfly gasket is made to be installed after the liner is cut. STEP 1 With the valve in the closed position, place user-supplied gasket and Always lift the BFV by locating holes or by using a nylon sling on the neck of the body. Valve Location It is advisable to install a butterfly valve at least 5 to 6 diameters away from any change in piping direction Complete all welding works before valve installation and be sure the flange has cooled to ambient temperature before installing the butterfly valve. Depending on the size of your butterfly valve, and flanges (which should both be the same size) - you may need a stud kit with 4, 8, or 12 studs. For Gasket, Wide Mouth Butterfly Item #SPX1091GW. Install valve between flanges. This method is for installation and maintenance of wafer type It is designed to go over both the inside and outside at the same time, essentially sealing off the gap 7.1 Replacing the Sealing Gasket If disc (2) or self-sealing gasket (3) are to be replaced, remove handle (9) as above and proceed as follows: Remove bottom plug (6), Our Best Choice: SIKEFIWO 6 PCS 25076RP Washer and Ring Kit for 1-1/2in Fittings, O-Ring Rubber Washer for Intex Pool Plunger Valves and Intex Replacement Gasket 6.7 Install the seat ring (5) and retainer ring (7). 4. Hayward is a leading manufacturer in the swimming pool Grooved style valves connect to metallic pipe of IPS per AWWA C606. For a successful butterfly valve installation in Aquatherm piping the following procedures should be observed: Dry-fit the connecting pipe flange adapters and the valve Hayward SP1023 1-1/2-Inch FIP Inlet Return Fitting with Locknut and Gasket. 1.2.3. Never pick up the BFV by actuator or operator mounted on the top of the BFV. Place the BFV between the anges, centre it and then span the BFV body with all ange bolts by hand, but do not tighten the bolts. A wafer butterfly valve is a valve that is installed in a piping system by clamping it between two flanges of the pipe. 1.2.6. 3) Fix the flange to the pipeline by spot welding. Print. Insert the bolt and nut into the flange hole to connect the valve body with the flange. Garlock Butterfly Valves Butterfly Valves Garlock Butterfly Valves are renowned throughout the chemical, petrochemical, process and many other industrial sectors for their quality, performance and reliability in arduous conditions. valve and reattach the actuator to the valve after installation . 2) Gently insert the four pairs of bolts and nuts into the flange hole and tighten the nut slightly to correct the flatness of the flange surface. BYV butterfly valves should be installed between flanges matching the bolt pattern of the valve; ANSI B16.5 class 150 flanges or DIN standard PN10. Hayward instructions for 1091 installation state to place the butterfly gasket first and cut liner when fully installed; there is no disassembly/reassembly. This implies: skimmer faceplate then liner then gasket (already installed in wall opening) then skimmer body, tighten and cut out liner in skimmer face. The use of additional 5. Inlet return fitting comes with gasket and locknut. Valves should be opened to It is designed to fit on-ground and above ground swimming pools. My butterfly gasket goes behind the liner (per instructions). You install everything then cut the liner using the skimmer as a templateand it doesn't leak. Hayward instructions for 1091 installation state to place the butterfly gasket first and cut liner when fully installed; there is no disassembly/reassembly. The seat in a resilient seated butterfly valve has molded o-rings on its flange face. Aquatherm piping works great in conjunction with butterfly valves and flanges with gaskets in the piping system. I recently replaced the skimmer on my 24' round above ground pool. Insert clamps (6 & 8) and torque clamp bolts (9) evenly (torque below). Correct the flatness in the method, but be careful not to over tighten the bolt and nut. Step 1: Mount the skimmer with the gasket inside out and cut the pool liner. You will need to be careful while cutting the pool liner so as not to cut the gasket. Remember, the butterfly gasket is made to be installed before cutting your pool liner. The skimmer came with a The pipe flanges are connected using bolts. > Install the valve per the attached installation tag instructions > Re-install the actuator ensuring it is in the proper quadrant. Wash with water or a mild detergent if needed. It accomplishes this with a tightly fitting seal; i.e., gasket, o-ring, precision machined, and a flat valve face on the upstream and downstream sides of the valve. 6.6 Install the seat (3) into the valve. 5) The flange is completely welded and fixed on the pipeline. Garlock valves set the standard in TA-Luft compliance, plus the valves are certified with S1L 3 according to EN 61508. 6) Install the valve after the weld is cooled. 1.2.6.1. 6) These butterfly valves are designed for installation between Class 125 cast iron or Class 150 flanges. This standard butterfly gasket is designed to use with Hayward automatic skimmer models SP1091LX, SP1091WM and also compatible with Hayward Dyna-Skim automatic skimmer NIBCO (2"-48") butterfly valves do not require the use of flange gaskets and can be used for dead end service without a down-stream flange. 3.2.3 Valve Location 3.2.3.1 Resilient seated butterfly valves Make sure there is no welding residue, waste, rust or other debris in the pipe before installation. FIRE-SAFE: (Figure 3) Step 1: Mount the skimmer with the gasket inside out and cut the pool liner. You will need to be careful while cutting the pool liner so as not to cut the gasket. Remember, the butterfly gasket is made to be installed before cutting your pool liner. Step 2: Disable the skimmer so that one half is on the inside, and the other half is the outside. Butterfly Valve Installation2: For a successful butterfly valve installation in Aquatherm piping the following procedures should be observed: 1. The specific installation steps for wafer butterfly valve are as follows: 1. place the wafer butterfly valve between the two pre installed special flanges for wafer butterfly valve, The Hayward SPX1091G SP1091LX Butterfly Gasket is a replacement product that is designed for use in Hayward Automatic Skimmer Models SP1091LX, SP1091WM, and Hayward Dyna disc and install the valve in the piping Open the . That means to install a 4" valve you will need (2) 4" flanges, and (1) 4" stud kit. Product Description. As a result, no gaskets are required as these o-rings serve the function of a gasket. See figure 2 for correct ordination of the seat. How to Install Butterfly Gasket on Pool Skimmer - In The It's easy to install your own wall skimmer and return fitting onto your above ground swimming pool. 6.5 Install one seat gasket (4) in the valve body (1) and one seat gasket (4) in the retainer ring (7). These bolts cross the valve body to the pipe flanges. 4. Make sure lubricant is compatible with valve materials of construction before applying. 4) Remove the valve. Insert the BFV between anges. Gasket, Wide Mouth Butterfly; Click to Enlarge. 2. Wafer butterfly valve manufacturers design this valve with short lengths which makes it possible for the bolts over the valve. 2. Soft-seal butterfly valves generally come with a gasket, which can not be installed, but it depends on the application of the soft-seal wafer butterfly valve. Remove the wafer butterfly valve first. Resilient seated butterfly valves do not require gaskets for Gaskets and a fitting nut allow it be attached and sealed thru the pool wall and vinyl liner. 3, welding the flange on the pipe, this step to use spot welding. BUTTERFLY VALVE INSTALLATION GUIDELINES NIBCO butterfly valves are bi-directional and may be installed with flow in either direction. Before reviewing the proper installation, maintenance, and re-pair procedures for resilient seated butterfly valves, lets dis-cuss the seat-disc function of a butterfly valve. TRUE LUG BUTTERFLY VALVE INSTALLATION Connects from either side, regardless of direction ow.
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