Mark 53/54 Series. Pressure Regulators Mark 53 Differential Back Pressure Regulators. Differential Back Pressure Regulators.

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1 Mark 53/54 Series ifferential Back Pressure Regulators The Jordan Mark 53 maintains a constant differential between the inlet pressure and the pressure loaded on top of the diaphragm. It can be used for both differential and remotely adjusted applications. The Mark 54 provides the same flow capacity as the Mark 53 but with less offset in controlled pressure due to larger diaphragm. The valve is normally closed. The inlet pressure acts beneath the diaphragm and is opposed by the force of the adjusting spring plus the pressure of the loading fluid. As the inlet pressure overcomes the set point (the combined pressures on top of the diaphragm), the valve moves toward the open position, relieving the necessary pressure to maintain the set point. Features Mark 53/54 maintains a constant differential between the inlet pressure and the pressure loaded to the top of the diaphragm. Sliding Gate Seats all of Jordan Valve s differential regulators feature advanced sliding gate seat technology. Straight-through flow for reduced turbulence and quiet operation Short stroke for fast response and accurate regulation Easily interchangeable v s Tight Shutoff Specifications s: (Note: 1/4 (N8) & 3/8 (N12) use 1/2 (N) body with reducer bushings) Mark 53/53HP: 1/4 (N8) through 2 (N50) Mark 54: 1/4 (N8) through 3/4 (N) End onnections: Threaded FNPT, BSPT, BSPP ANSI s 0#, # IN s PN10/16, PN25/40 Body Materials: uctile Iron Bronze arbon Steel A216 WB Stainless Steel SA351 F8M Trim Materials: 303 T Standard on uctile Iron, Bronze, or arbon Steel valves 316T Standard on Stainless Steel valves Seat Materials: Jorcote on T Standard Other materials available onsult factory Pressure Regulators Mark 53 ifferential Back Pressure Regulators Jordan Valve, a division of Richards Industries 3170 Wasson Road incinnati, OH (f) info@richardsind.com

2 Specifications (ont'd) iaphragm Materials Stainless Steel - Standard (450 F (232 ) temp limit) Buna-Nitrile (0 F (93 ) temp limit) Viton (450 F (232 ) temp limit) Jorlon (450 F (232 ) temp limit) Spring Housing Materials: uctile Iron Service: Steam, oil, gas, air, chemicals, and water Shutoff: ANSI lass IV Body Rating: Body Matl. I S End onn. PN #FE 600#FE PN #FE PN #FE 600FE PN #FE 600#FE - to 100 F 0 F F 400 F 500 F 600 F 650 F (500) (475) (425) (525) (375) (495) (325) (465) (450) (500) (475) (425) (375) (325) (740) (675) (665) (635) (550) (905) (535) (890) (7) (6) (560) (5) (480) (450) (905) (445) (890) Note: ouble bolting option is required to reach pressures indicated in parenthesis ( ). For temperatures below - F or above 650 F, consult factory Note: To convert temperature to elsius: subtract Fahrenheit temperature by 32, multiply result by 5, divide answer by 9, final answer to temperature in elsius ((F-32)*5/9 = ). To convert PSI to BAR, divide by Maximum ome Loading Pressure: the combined pressure of the spring setting (psig) and dome loading (psig) must not exceed the body rating. Options: B: ouble bolting for higher pressure ratings : losing cap for adjusting screw B: Bleed valve on spring housing (available only with option closing cap above) H: Handwheel and packing box F: Flow-through spring housing. Permits in-oil-line installation for fuel oil atomization and steam atomizing systems. Reduces the possibility of the oil asphalting on top of the diaphragm : Separated double diaphragm (prevents mixing fluids in case of ruptured diaphragm) HP: High pressure spring housing H: Handwheel and packing box ifferential Pressure ontrol Ranges, PSI (BAR) Model Ranges in psi (bar) MK53 MK53HP MK54 1/4" - (N8 - ) 1" - 2" (N25 - N50) - 2" (N-25) 1/4" - (N8-) 2- (0,14-1,39) (2,07-9,31) 1/2-4 (0,03-0,28) 8- (0,55-1,38) (5,17-13,10) 1/2-5 (0,03-0,34) (0,60-2,07) (2,76-7,24) (0,69-2,07) (5,52-12,76) 2-6 (0,14-0,41) -80 (1,03-5,52) (6,89-22,06) 2-10 (0,14-0,69) -50 (1,38-3,45) 25-0 (1,72-10,34) -45 (1,38-3,10) 4-13 (0,28-0,90) 45-0 (3,10-10,34) (10,34-31,03) 2- (0,14-1,38) -70 (1,38-4,83) (2,07-11,72) v (Kv) Value & Maximum ifferential Pressures v (Kv) Seat Material Max. P PSI (bar) 0.84 (0,74) 1/4" (N8) Jorcote 400 (27,6) 1.6 (1,4) 3/8" (N12) Jorcote 400 (27,6) 2.5 (2,2) & 4.4 (3,8) (N & N) Jorcote 400 (27,6) 6.4 (5,5) 1" & 1-1/4" 9.5 (8,2) (N25 & N32) Jorcote 400 (27,6) (12,9) 1- ( N40) Jorcote 325 (22,4) 25 (21,5) 30 (25,8) 2" (N50) Jorcote 325 (22,4) * Low Flow Trim: reduced v s (Kv s) can be placed in any size valve as long as it is smaller than the standard v (Kv) for that particular size. In addition, the following special low flows can be provided: 1.6 (1,38) 0.02 (0.017) 0.84 (0,72) (0,007) 0.42 (0,36) (0,003) 0.21 (0,18) (0,0017) 0.08 (0,07) 0.04 (0,03) (not in 316) (0,0007) -2-

3 Mark 53 Series imensions B d Ends 1" 1¼" 1½" 2" ANSI 0# # # # # # # # # # # # d Ends, IN E (PN) (kg) 10/ ,9 6,8 25/ ,4 7,3 A A / ,4 7,3 25/ ,3 7,7 10/ ,8,4 25/ ,7 16, / ,7 25/ , / ,1,9 25/ ,9 23, / ,9 22,7 25/ ,2 24,9 Threaded Ends & 1" ¼" ½" 2" Threaded Ends, IN & 25 (kg) , , , , , , , , ,9

4 Mark 54 Series imensions B E A A 1 d Ends ANSI 0# # # # d Ends, IN (PN) (kg) 10/ / / , / ,3 13 Threaded Ends Threaded Ends, IN (kg) , , , , , , , ,9-4-

5 MK53/54/0517 Ordering Schematic To specify a MK53/54 ifferential Back Pressure Regulator, build a model number by making a selection from each category in the Product esignator oding System below / Model 53 Standard 54 Large iaphragm 2 Options losing ap Separated ouble iaphragm F Flow Through ome H Handwheel HP High Pressure /4" (N8) 038 3/8" (N12) 050 (N) 075 (N) 100 1" (N25) /4" (N32) 0 1- (N40) 0 2" (N50) 4 Body Material I uctile Iron S arbon Steel BR Bronze S6 Stainless Steel 5 End onnections PT NPT BT BSPT BP BSPP SW FSW I5 0#IFE S or T valves I3 #IFE S or T Valves F5 0#IFE I or BR F3 #IFE I or BR I7 IFE PN10 I6 IFE PN16 I8 IFE PN25 I4 IFE PN40 6 Trim S3 303 I3 303 F/IFE (-2") S6 316 I6 316 F/IFE (-2") 7 Seat Material A 303T W 316T/Jorcote B 316T V 303/Jorcote 8 v Kv , , , , , , , , ,9 A 25 21,5 B 30 25,8 9 Range, PSI MK53 1/4" - MK53 1" - 2" / A MK53HP - 2" MK54 A /2-5 A A iaphragm S6M 316T VIE Viton BNE Buna-N JLE Jorlon Jordan Valve, a division of Richards Industries 3170 Wasson Road incinnati, OH (f) info@richardsind.com

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