The PL Series Pressure Air Release Valves. Sizes 1 thru 6 Available Compound Lever System Adjustable Buna-N Rubber Plunger. Crispin.
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1 The PL Series Sizes 1 thru 6 Available Compound Lever System Adjustable Buna-N Rubber Plunger Crispin Since 1905
2 PL SERIES Functio n Allows air and/or gas to be released from a pressurized liquid system Features Meeets AWWA C-512 Compound lever system Adjustable Buna-N rubber plunger Available in sizes 1 thru 4 With Stainless Steel Trim and Float or Bronze Trim and Stainless Steel Float S ystems under pressure can be vented of accumulating air with the use of. These should be mounted on the system at all high points, and downstream from these points where the velocity of the liquid carries the air or gas slightly beyond the crest. On lines with little gradient, valves should be placed every half mile or so, at the discretion of the engineer. Crispin Type N is for normal use in water below 150 F, and features a PVC seat. Crispin Type P is for use with all types of fluid, and is supplied with a steel seat. Both are supplied with a Buna-N rubber plunger. For special applications, an optional stainless steel seat with a Buna-N plunger is available. When a valve is used in a system where a vacuum is desired, such as in a pump prime, an optional vacuum check unit is offered that will prevent air from re-entering the system. Size Orifice Size for Various Pressure Ranges MAXIMUM OPERATING PRESSURE IN PSI (standard is 150 PSI) Max. 50 Max. 100 Max. 150 Max. 200 Max. 250 Max /16 5/16 1/4 /16 5/2 1/8 2 /8 /8 5/16 1/4 /16 5/2 2 1/2 5/8 1/2 7/16 /8 9/2 1/4 /4 5/8 1/2 7/16 5/16 9/2 4 1 /4 5/8 1/2 7/16 /8 * For additional sizes, please consult factory. *All Crispin are hydrostatically tested to 150% of their maximum working pressure. *For ease of maintenance, some of the parts are provided as kits or assemblies. Model Information Size of /2 4 Model No. Screwed Inlet PL10 PL20 P250 P0 P40 PL10A PL20A 125# Flanged Inlet PL21 P251 P1 P41 250# Flanged Inlet PL22 P252 P2 P42 Trim S/S S/S IBBT IBBT IBBT 2 PL
3 Dimensions and Weights MODEL INLET NPT TRIM HEIGHT WIDTH WEIGHT (lbs) PL10 1 NPT S/S 9 1/8 9 /4 22 PL10A 2 NPT S/S 9 1/8 9 /4 22 PL20 2 NPT S/S 10 1/2 10 1/8 45 PL20A NPT S/S 12 1/4 10 1/8 54 PL # Flg. S/S /8 51 PL # Flg. S/S 14 1/4 10 1/8 56 P /2 NPT IBBT 11 1/8 11 1/2 58 P251 21/2 125# Flg. IBBT 14 1/8 11 1/2 68 P252 21/2 250# Flg. IBBT 14 5/ /2 70 P0 NPT IBBT 1 1/2 12 1/2 87 P1 125# Flg. IBBT 16 / /2 100 P2 250# Flg. IBBT 16 9/ /2 10 P40 4 NPT IBBT 16 5/8 4 1/4 12 P # Flg. IBBT 18 7/8 14 1/4 145 P # Flg. IBBT 19 / /4 158 CRISPIN operate by means of a compound lever system. This lever system multiplies the weight of the float so that the force pulling the rubber valve away from the orifice is greater than the force or system pressure holding it closed. The pressure at which it will operate is determined by the orifice size. The orifice size will vary inversely to the pressure, that is, as the operating pressure increases the orifice must be smaller, as the operating pressure decreases the orifice can be larger. A valve with an orifice size small enough to permit operation at 00 psig will still function at pressures less than 00 PSIG. Where pressure air release valves are used on systems other than water, the specific gravity of the liquid must be considered (re. catalog sheet: Air Release For Liquids Other Than Water ). The specific gravity affects the float buoyancy and, subsequently, valve performance. For example, a valve applied on a petroleum application would require a float of lighter weight in order to provide a buoyancy equivalent to that of the float in water. PL SERIES
4 PL SERIES 4 PL Parts Lists: 1 and 2 PART ITEM MATERIAL NO. 1N* SEAT PVC 1P* SEAT Stainless Steel 2 VALVE BUNA-N Rubber PLUNGER NUT Stainless Steel 5 VALVE FULCRUM Stainless Steel 6 VALVE LEVER Stainless Steel 7 LINK Stainless Steel 8 BALL FULCRUM Stainless Steel 9 BALL FLOAT Stainless Steel 10 BALL LEVER Stainless Steel 11 BEARING PIN Stainless Steel 12 BEARING PIN Stainless Steel 1 BEARING PIN Stainless Steel 15 PIN CLIP Stainless Steel 17 BOLT Steel 18 NUT Steel 19 TOP 19N** NIPPLE Steel 19V** VACUUM CHECK Brass 20 FLANGE 21** BODY 21F** BODY-125* ANSI Flanged 21FH** BODY-250* ANSI Flanged 22 FULCRUM WASHER 22A FULCRUM WASHER Fiber Fibre 2 SEAT GASKET Fibre 24 FLANGE GASKET Armstrong 25 BOLT Stainless Steel 26 NUT Stainless Steel 2 1/2, and 4 PART ITEM MATERIAL NO. 1N* SEAT PVC 1P* SEAT Stainless Steel 2 VALVE BUNA-N Rubber PLUNGER NUT Brass 4 PLUNGER Brass 5 VALVE FULCRUM Stainless Steel 6 VALVE LEVER Stainless Steel 7 LINK Stainless Steel 8 BALL FULCRUM Stainless Steel 9 BALL FLOAT Stainless Steel 10 BALL LEVER Stainless Steel 11 BEARING PIN Brass 12 BEARING PIN Brass 1 SCREW Stainless Steel 14 NUT Steel 15 PIN CLIP Stainless Steel 16 SCREW Stainless Steel 17 BOLT Steel 18 NUT Steel 19 TOP 19N** NIPPLE 19V** VACUUM CHECK * Part No. 1P is interchangeable with Part No. 1N and is optional at customer s request ** Part No. s 19N, 19V, 21, 21F & 21FH are at customer s option Steel Brass 20 FLANGE 21** BODY 21F** BODY-125* ANSI FLANGED 21FH** BODY-250* ANSI FLANGED 22 FULCRUM WASHER Fibre 2 SEAT GASKET BUNA-N 24 FLANGE GASKET Armstrong
5 Submittal Sheet for Crispin PL Series 1 2 Manufactured in compliance with ANSI/AWWA C512 Date: October, 2001 The (s) shall be installed at high points selected by the engineer to vent the accumulation of air and other gases with the line under pressure. The valve(s) shall operate through a compound lever system and shall have a orifice with valve sealing faces of an adjustable Buna- N rubber valve and stainless steel or PVC. It shall operate at PSIG, and be capable of passing scfm. of air. The valve(s) shall be NPT screwed or ANSI Class (125, 250) flanged inlet connection and shall have a cast iron body, top and inlet flange A (where required), a stainless steel float and trim. which use a needle to N-1P seal the orifice will not be acceptable A The valve(s) shall be Crispin Model Pressure Air (s), Type N (PVC seat and Buna-N rubber valve) or or Type P (stainless steel seat and Buna N rubber valve) as manufactured by Crispin-Multiplex Manufacturing Co., 24 Berwick, PA. 18 Option: A Vacuum Check shall be supplied on the outlet to eliminate the 8 possibility of air entering the system where the pressure decreases, or if a vacu- 1 um is drawn Option: Where pressures are greater than 00 PSIG, the valve(s) shall be ANSI 1 Class flanged inlet connection and shall have a (steel, stainless steel, or ductile iron) body, top and inlet flange. 21 Standard operating pressure for Crispin Air is 20 to 150 PSIG. Please check one of the following if your operating needs differ: 2 to 40 PSIG 151 to 00 PSIG Pressure Air Parts List W 12 Size B SUBMITTAL SHEET FOR PL SERIES ITEM DESCRIPTION MATERIAL ASTM MODEL INLET SIZE OUTLET SIZE A B WT. *1N SEAT PVC 1784 PL10 1 NPT 1/2 NPT *1P SEAT PL10A 2 NPT 1/2 NPT VALVE PLUNGER BUNA N RUBBER & S/S D2000 PLUNGER NUT A194 PL20 2 NPT 1/2 NPT W LOCK WASHER PL20A NPT 1/2 NPT VALVE FULCRUM **PL # FLG 1/2 NPT VALVE LEVER STAI N LESS STEEL **PL # FLG 1/2 NPT LINK Indicates valve with inlet 8 BALL FULCRUM A582 ** Includes ANSI CL. 125 or 250 companion FLG & NPL 9 BALL FLOAT 10 BALL LEVER PL10 & PL10A Orifice Options 11 BEARING PIN A BEARING PIN A582 DIAMETER MAX. PRESSURE DISCHARGE RATE 1 BEARING PIN A582 5/ PSIG 105 SCFM 15 COTTER PIN A1 1/4 150 PSIG 98 SCFM 17 BOLT STEEL A07 / PSIG 72 SCFM 18 NUT STEEL A56 5/2 250 PSIG 61.1 SCFM 19 TOP CAST IRON A126 CL.B 1/8 00 PSIG 46.7 SCFM 20 FLANGE CAST IRON A126 CL.B 21 BODY CAST IRON A126 CL.B PL20 & PL20A Orifice Options 22 FULCRUM WASHER FIBER N/A DIAMETER MAX. PRESSURE DISCHARGE RATE 22A FULCRUM WASHER FIBER N/A 2 SEAT GASKET BUNA N RUBBER D2000 /8 100 PSIG 152 SCFM 24 FLANGE GASKET ARMSTRONG N 8092 N/A 5/ PSIG 152 SCFM 25 BOLT A19 1/4 200 PSIG 127 SCFM 29 PLUG BRASS B505 / PSIG 88 SCFM * Parts are interchangable and optional at customer s request 5/2 00 PSIG 7 SCFM 5
6 SUBMITTAL SHEET FOR P SERIES Submittal Sheet for Crispin P Series 2 1/2 4 Manufactured in compliance with ANSI/AWWA C512 Date: October, 2001 The (s) shall be installed at high points selected by the engineer to vent the accumulation of air and other gases with the line under pressure. The valve(s) shall operate through a compound lever system and shall have a orifice with valve sealing faces of an adjustable Buna-N rubber valve and stainless steel or PVC. It shall operate at PSIG, and be capable of passing scfm. of air. The valve(s) shall be NPT screwed or ANSI Class (125, 250) flanged inlet connection and shall have a cast iron body, top and inlet flange (where required), a stainless steel float and trim. which use a needle to seal the orifice will not be acceptable. The valve(s) shall be Crispin Model Pressure Air (s), Type N (PVC seat and Buna-N rubber valve) or or Type P (stainless steel seat and Buna-N rubber valve) as manufactured by Crispin-Multiplex Manufacturing Co., Berwick, PA. Option: A Vacuum Check shall be supplied on the outlet to eliminate the possibility of air entering the system where the pressure decreases, or if a vacuum is drawn. Option: Where pressures are greater than 00 PSIG, the valve(s) shall be ANSI Class flanged inlet connection and shall have a (steel, stainless steel, or ductile iron) body, top and inlet flange with stainless steel float and bronze and brass trim. Standard operating pressure for Crispin Air is 20 to 150 PSIG. Please check one of the following if your operating needs differ: 2 to 40 PSIG 151 to 00 PSIG Pressure Air Parts List ITEM DESCRIPTION MATERIAL ASTM *l N *l P SEAT SEAT PVC N VALVE PLUNGER NUT BUNA N RUBBER BRASS D2000 B584/C PLUNGER BRASS B505 5 VALVE FULCRUM 5A 6 FULCRUM BOLT VALVE LEVER STAI N LESS STEEL A LINK BALL FULCRUM A582 9 BALL FLOAT 9 A FLOAT ROD BALL LEVER BEARING PIN BRASS B BEARING PIN BRASS B505 1 SCREW A A BEARING PIN COTTER PIN A582 A1 15 BEARING PIN CLIP A BOLT STEEL A07 18 NUT STEEL A07 19 TOP CAST IRON A126 CL.B FLANGE BODY CAST IRON CAST IRON A126 CL.B A126 CL.B 22 FULCRUM WASHER FIBER N/A 22A FULCRUM WASHER FIBER N/A 2 SEAT GASKET BUNA N RUBBER D FLANGE GASKET PLUG ARMSTRONG N 8092 BRASS N/A B505 C B Size ORIFICE OPTIONS /4 50 PSIG 4 SCFM 5/8 100 PSIG 422 SCFM 1/2 150 PSIG 90 SCFM 7/ PSIG 90 SCFM 5/ PSIG 244 SCFM 1/ PSIG 187 SCFM ORIFICE SCFM OPTIONS 1 /4 5/ A P-1N A 14A 9 50 PSIG PSIG 607 SCFM 150 PSIG 592 SCFM 1/2 200 PSIG 510 SCFM 7/ PSIG 480 SCFM /8 00 PSIG 420 SCFM A 2N 19 5A MODEL INLET SIZE OUTLET SIZE A B C WHT. P NPT 1 NPT P # FLG 1 NPT P # FLG 1 NPT P0 NPT 1 NPT P1 125# FLG 1 NPT P2 250# FLG 1 NPT P40 4 NPT 1 NPT P # FLG 1 NPT P # FLG 1 NPT * Parts are interchangable and optional at customer s request 2 1/2 ORIFICE DIAMETER MAX. OPTIONS PRESSURE DISCHARGE RATE 5/8 50 PSIG 27 SCFM 1/2 100 PSIG 270 SCFM 7/ PSIG 298 SCFM /8 200 PSIG 287 SCFM 5/ PSIG 244 SCFM 1/4 00 PSIG 187 SCFM
7 Submittal Sheet for Crispin AR Series 1/2 1 (AR) Manufactured in compliance with ANSI/AWWA C512 Date: October, 2001 Parts List A ITEM DESCRIPTION MATERIAL ASTM 1 SEAT 2 VALVE BUTTON BUNA-N RUBBER D2000 BUTTON CLIP 4 VALVE LEVER 6 FLOAT 7 PIN A19 8 HINGE BUTT 9 BOLT STEEL A07 11 FLANGE CAST IRON A126 CL.B 12 BODY CAST IRON A126 CL.B 1 GASKET ARMSTRONG N-8092 N/A Size MODEL INLET SIZE OUTLET SIZE A B WEIGHT AR5 1/2 NPT 1/2" NPT AR8 /4 NPT 1/2 NPT AR10 1 NPT 1/2 NPT Orifice DIAMETER MAX. PRESSURE DISCHARGE RATE 5/ PSIG 9.6 SCFM 5/64 00 PSIG 18.4 SCFM B The valve(s) shall be installed at high points in the line to vent the accumulation of air and other gases with the line under pressure. The valve(s) shall have a 5/64 orifice with valve sealing faces of stainless stell and Buna-N rubber. which use a needle valve to seal the orifice shall not be acceptable. The valve(s) shall be Crispin-Multiplex Model (s) as manufactured by Crispin-Multiplex Manufacturing Co., Berwick, PA. construction shall be NPT screwed, cast iron body and top flange with stainless steel float and trim. SUBMITTAL SHEET FOR AR SERIES 7
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