CHECK VALVES. MOUNTING: - flow direction marked with arrow on body; - mounting position in conformity with the technical sheet recommendation.

Transcription

1 CHECK VALVES RR page 1 R MAIN APPLICATIONS: Transport and distribution of : - cold and hot industrial water; - saturated vapours; - petroleum products; on condition that the compatibility regarding the corrosion, erosion and safety in work in relation to the design and materials used to be ensured. - CD - straight flanged body; - CC - angle flanged body; - CFF - straight flangeless body. - overall length: - in conformity with ISO; BS; DIN; ANSI (shown on the technical sheets); - connecting flanges: - in conformity with ISO; BS; DIN; ANSI (shown on the technical sheets); - maximum liquid flow speed: m/s - for PN 6; - 3 m/s - for PN 1; - 4 m/s - for PN 16. WORKING TEMPERATURE: Tmax / Tmin - for rubber seats: - NBR type 8 C / -1 C; - EPDM type 12 C / -1 C; - for asbestos free sheet gasket (in conformity with the technical sheet): 3 C (4 C). MOUNTING: - flow direction marked with arrow on body; - mounting position in conformity with the technical sheet recommendation. MANUFACTURER TESTS, TEST PRESSURE, LEAKAGE: - hydraulic tests in conformity with ISO 528 (API 598): - shell test pressure (bar): x PN; - seat test pressure (bar): x PN (PN nominal pressure). - maximum allowed leakage at disc seat test: - standard execution - grade D in conformity with ISO 528; - special execution - grade B in conformity with ISO 528. INQUIRY AND ORDER FORM: It is recommended to fill in the technical sheets of agreement. EDITION 23

2 SWING CHECK VALVES PN1 RRC-1 page 2 R RRC Variant with free shaft RRC-ctg Variant with counterweight B Gland packing - flanged straight body: - free shaft; - with counterweight; - face-to-face lengths: - DIN 322-F6; - connecting flanges: - PN 1 ISO 75-2; BS EN 192-2; DIN body, bonnet: - cast iron EN GJL 25 SR EN 1561, GG25 DIN 1691; - nodular iron EN GJS 5-7 SR EN 1563, GGG 5 DIN 1693 on special request; - disc: - nodular iron EN GJS 5-7 SR EN 1563, GGG 5 DIN shaft: - min. 11,5% Cr stainless steel - 41 S21 BS X2Cr13 DIN 1744; - body - disc: - C/Fc - rubber / cast iron; WORKING TEMPERATURES: Tmax/Tmin - C/Ac - rubber / copper alloy; - for rubber seats: - NBR type: 8 C / -1 C; - C/Ix - rubber / min. 11,5% Cr stainless steel; - EPDM type: 12 C / -1 C; - Ac/Ac all copper alloy; - for metal seat and asbestos free gaskets: 3 C / -1 C. - Ix/Ix - min. 11,5% Cr stainless steel; - body - bonnet: - flat asbestos free gasket; - body - shaft: - variant with free shaft: - flat asbestos free gasket; - variant with counterweight: - rubber O-rings; - asbestos free rings gland. MOUNTING POSITION: - on horizontal pipes; - on ascendant vertical pipes. NOTE: - at mounting in plant the unique flow direction marked on the body shall be respected. - on special request : with draining plug or by-pass DN L L1 L2 G H Connecting flanges Net weight ξ ~(kg) Head loss factor d1 d2 n x d3 b RRC RRC-ctg. RRC RRC-ctg x x x For confirmation, please use the technical sheet of agreement. (FTC 5) EDITION 23

3 SWING CHECK VALVES PN16 RRC-16 page 3 R RRC Variant with free shaft RRC-ctg Variant with counterweight B O -ring packing DN 4 25 B Gland packing DN straight flanged body: - free shaft; - counterweight; - overall lengths: - DIN 322-F6; - connecting flanges: - PN 16 ISO 75-2; BS EN 192-2; DIN body, bonnet: - cast iron EN GJL 25 SR EN 1561, GG25 DIN 1691, for DN < 25 - nodular iron EN GJS 5-7 SR EN 1563, GGG 5 DIN 1693 on request for DN < 25; - nodular iron EN GJS 5-7 SR EN 1563, GGG 5 DIN 1693 for DN > 3; - disc: - cast iron EN GJL 25 SR EN 1561, GG25 DIN 1691, for DN < 15 - nodular iron EN GJS 5-7 SR EN 1563, GGG 5 DIN 1693 on request for DN < 15; - shaft: - min. 11.5% Cr stainless steel - 41 S21 BS X2Cr13 DIN 1744; - body - disc: - C/Fc - rubber / cast iron; - C/Ac - rubber / copper alloy; - C/Ix - rubber / min. 11.5% Cr stainless steel; - Ac/Ac all copper alloy; - Ix/Ix - min. 11.5% Cr stainless steel; - body - bonnet: - flat asbestos free gasket; - body - shaft: - variant with free shaft: - flat asbestos free gasket; - variant with counterweight: - for DN < 25 rubber ''O''-rings; - for DN > 3 gland with asbestos free rings. WORKING TEMPERATURE: - for rubber seats: - NBR type: 8 C / -1 C ; - EPDM type: 12 C / -1 C ; - for metal and asbestos free gasket seats: 3 C / -1 C MOUNTING POSITION: - on horizontal pipes; - on ascendant vertical pipes. NOTE: - at mounting in plant the unique flow direction marked on the body shall be respected. - on special request: with draining plug and by-pass. Connecting flanges Net weight ~(kg) ξ Head loss factor DN L L1 L2 G H b d1 d2 n x d3 RRC RRC-ctg. RRC RRC-ctg x x x x x * x * x x x x * - on special request flanges may be drilled PN 1 ISO 75-2; BS EN 192-2; DIN 251. For confirmation, please use the technical sheet of agreement. (FTC 5) EDITION 23

4 SWING CHECK VALVE, ANSI TYPE CLASS 125, 15 RRCA CLS. 125,15 page 4 R DESIGN AND DIMENSIONAL CHARACTERISTICS: - design: - MSS-SP-71; - overall length: - ANSI B 16.1; - connecting flanges: - class 125 ANSI B 16.1; - class 15 ANSI B body, bonnet: - grey cast iron class B ASTM A 126 for class 125; - ductile iron ASTM A 395 for class 15; - disc, lever: - ductile iron ASTM A 536 for class 125; - ductile iron ASTM A 536 for class 15; - shaft: - stainless steel 42 ASTM A 276; - body - disc: - Fc/Fc all cast iron iron trim class 125; - Ac/Ac all copper alloy bronze trim; - body - bonnet: - flat asbestos free gasket. WORKING TEMPERATURE: Tmax/Tmin: 232 C / -1 C MOUNTING POSITION: - on horizontal pipes; - on vertical ascendant pipes. NOTE: - at mounting in plant the unique flow direction marked on the body shall be respected. DN Connecting flanges Net weight L L1 a mm inch d1 d2 n x d3 b ~(kg) / x x x x For confirmation, please use the technical sheet of agreement. (FTC 22) EDITION 23

5 CD Straight body LIFT CHECK VALVES PN 6; PN 16 CC Angle body RRV- 6; 16 page 5 R A Variant with returning spring (on special request) - design: - DIN ; - overall length: - straight body - ISO 5752 S1; BS 5152; DIN 322-F1; - angle body - ISO 5752 S8; BS 5152; DIN 322-F32; - connecting flanges: - PN 6; 16 - ISO 75-2; BS EN 192-2; DIN body, bonnet: - cast iron EN GJL 25 SR EN GG25 DIN 1691; - ductile iron EN GJS SR EN GGG 5 DIN on special request; - disc: - min. 11,5% Cr stainless steel - 41 S21 BS X2Cr13 DIN 1744 for DN < 5; - cast iron EN GJL 25 SR EN GG25 DIN 1691 for DN > 65; - ductile iron EN GJS SR EN GGG 5 DIN 1693 on special request for DN > 65; - returning spring:- 12NiCr18 - XCrNi17.7 DIN S29 BS AISI; - body disc: - Ac/Ac all copper alloy, for DN > 65; - Ix/Ix all min. 11,5% Cr stainless steel; - body - bonnet: - asbestos free flat gasket; - rubber flat gasket. WORKING TEMPERATURES: Tmax / T min - for NBR rubber seats: 8 C / -1 C; - for EPDM rubber seats: 12 C / -1 C; NOTE: at mounting in plant the unique flow - for metal and asbestos free seats: 3 C / -1 C. direction marked on the body shall be respected. DN L H L1 H1 PN 6 connecting flanges PN 16 connecting flanges Net weight PN 6 ~(kg) Net weight PN 16 ~(kg) ξ Head loss factor d1 d2 nxd3 d1 d2 nxd3 CD CC CD CC CD CC x x x14 4x x x x x x x x x x b For confirmation, please use the technical sheet of agreement. (FTC 6) EDITION 23

6 STEEL LIFT VALVES, WITH FIXED STROKE PN 25/4 RRV- 25/4 page 6 R MAIN APPLICATIONS: Transport and distribution of : - cold and hot industrial water; - saturated vapours; - petroleum products; on condition that the compatibility regarding the corrosion, erosion and safety in work in relation to the design and materials used to be ensured. DESIGN AND DIMENSIONAL CHARACTERISTICS: - straight flanged body; - overall lengths in conformity with ISO; BS; DIN; - connecting flanges: - PN 25, 4 ISO; BS; DIN. EXECUTION: - currently: - with spring; - flanges DIN 251, form C or D ; - flange seat face : plane raised - PU ; - on special request: - without spring; - flanges DIN 251, form F or N; - flange seat face: with chamfer or indent. WORKING TEMPERATURE: Tmax/T min: 4 C / -2 C; WORKING AND TEST PARAMETERS: Nominal pressure PN Temperature 12 C 2 C 25 C 3 C 35 C 4 C Test pressure (in conformity with ISO 528) (bar) (bar) Maximum working pressure (bar) Shell Seat maximum allowed leakage for seat test in conformity with ISO 528 grade D. MOUNTING: - flow direction marked with arrow on body; - mounting position on horizontal or vertical ascendant pipes. EDITION 23

7 STEEL LIFT VALVES, WITH FIXED STROKE PN 25/4 RRV- 25/4 page 7 R flow direction - design: - straight flanged body; - overall length: - ISO 5752 S1; BS 5152; DIN 322-F1; - connecting flanges: - PN 25/4 BS EN 192-2; DIN body, bonnet: - cast steel A1 BS 31 GS-C25 DIN WCA ASTM; - disc: - min. 11,5% Cr stainless steel- 41 S21 BS X2Cr13 DIN 1744 for DN < 5; - quality carbon steel 5 A 2 BS 97/1 C22 DIN 172 loaded with stainless steel on the outline for DN > 65; - returning spring:- 12NiCr S29 BS XCrNi17.7 DIN 1744; - body disc: - Ix/Ix - min. 11,5% Cr stainless steel; - body - bonnet: - asbestos free flat gasket; - metal. WORKING TEMPERATURE: Tmax / T min: 4 C / -2 C; MOUNTING: - flow direction marked with arrow on body; - mounting position on horizontal or vertical ascendant pipes. PN DN L H Connecting flanges Net weight ξ d1 d2 nxd3 b ~(kg) Head loss factor x x / x x x x x x x x x EDITION 23

8 BUTTERFLY CHECK VALVES PN16 RRCF-16 page 8 R Fig. 1 - Variant with free shaft - straight flanged body - with free shaft (fig. 1, tab. 1); - with counterweight (fig. 2, tab. 2); - with hydraulic damper (fig. 3, tab. 2); - overall length: - DIN 322-F4; - connecting flanges - PN 16 ISO 75-2; BS EN 192-2; DIN body: - cast iron EN GJL 25 SR EN GG25 DIN 1691; - ductile iron EN GJS SR EN GGG 5 DIN 1693 on special request; - disc: - cast steel A1 BS 31 GS-C25 DIN WCA ASTM; - shaft: - min. 11,5% Cr stainless steel - 41 S21 BS X2Cr13 DIN body - disc: - C/Ix - rubber / min. 11,5% Cr stainless steel; - body - shaft: - rubber rings. WORKING TEMPERATURES:Tmax / Tmin - for rubber seats: - NBR type 8 C / -1 C; - EPDM type 12 C / -1 C NOTE: - at mounting in plant the unique flow direction marked on the body shall be respected. - when equipped with hydraulic damper, closing shall be performed in two steps, with adjustable time; - on special request, may be delivered with flanges drilled PN 1 ISO 75-2; BS EN 192-2; DIN 251. Connecting flanges Connecting dimensions Net DN L A L1 l Flange I Flange II b weight d1 d2 d4 d5 nxd6 d7 l1 b1xl2 ~(Kg) nxd3/4xm nxd3 Fig x3/4xM27 16x x x33/4xM3 2x x x x36/4xM33 2x x x39/4xM36 24x x x x42/4xM39 28x x x For confirmation, please use the technical sheet of agreement. (FTC 7) EDITION 23

9 BUTTERFLY CHECK VALVES PN16 RRCF-16 page 9 R Fig. 2. Variant with counterweight Fig. 3. Variant with hydraulic damper Connecting flanges Net weight DN L A L1 L2 L3 l H1 H2 Flange I Flange II b ~(kg) d1 d2 nxd3 / 4xM nxd3 Fig. 2 Fig. 3 (*) x3 / 4xM27 16x x33 / 4xM3 2x x36 / 4xM33 2x x39 / 4xM36 24x x42 / 4xM39 28x NOTE: On special request, the variant with hydraulic damper may be also equipped with counterweight (*). For confirmation, please use the technical sheet of agreement. (FTC 7) EDITION 23

10 ANNULAR DISC CHECK VALVE PN1 RRAV-1 page 1 R - flanged profiled body, Venturi type; - connecting flanges: - PN 1 ISO 75-2; BS EN 192-2; DIN upper and lower case: - cast iron EN GJL 25 SR EN GG25 DIN 1691; - ductile iron EN GJS SR EN GGG 5 DIN 1693 on special request; - annular disc: - carbon steel; - central screw: - min. 11,5% Cr stainless steel - 41 S21 BS X2Cr13 DIN 1744; - gaskets: - rubber - lower case/upper case: - rubber; - body-disc: - C/Fc - rubber / cast iron; - Ac/Ac all copper alloy. WORKING TEMPERATURES: Tmax /Tmin - for rubber seats: - NBR type rubber 8 C / -1 C; - EPDM type rubber 12 C / -1 C. Connecting flanges DN L D d1 d2 nxd3 b Net weight ~(Kg) ξ Head loss factor x x x x x x x x For confirmation, please use the technical sheet of agreement. (FTC 25) EDITION 23

11 BALL CHECK VALVES PN16 RRB-16 page 11 R flow direction APPLICATION: - in water transport and distribution plants. - overall lengths in conformity with DIN 322 F6; - connecting flanges: - PN 16 ISO 75-2; BS EN 192-2; DIN 251; - may be mounted between the following connecting flanges:- PN 1 ISO 75-2; BS EN 192-2; DIN body, bonnet: - cast iron EN GJL 25 SR EN GG25 DIN 1691; - ductile iron EN GJS SR EN GGG 5 DIN 1693 on special request; - ball: - cast iron EN GJL 25 SR EN GG25 DIN rubber. - body ball: - C/Fc - rubber / cast iron; - body bonnet: - rubber O-rings. WORKING TEMPERATURES:Tmax/Tmin - for rubber seats: - NBR rubber 8 C / -1 C;; - EPDM rubber 12 C / -1 C;. NOTE: - at mounting in plant the unique flow direction marked on the body shall be respected. Connecting flanges DN L H d1 d2 nxd3 b Net weight ~(Kg) ξ Head loss factor x x x x x x x 22* x 26* * - DN 2-8x22 for mounting between PN 1 flanges; - DN 25-12x22 for mounting between PN 1 flanges. For confirmation, please use the technical sheet of agreement (FTC 12) EDITION 23

12 FLANGELESS SWING CHECK VALVES PN6;1;16;25 clasa 15;3 RRCDO page12 R flow direction CHARACTERISTICS - mounting between flanges: PN 6;1;16;25 ISO 75-1/2; DIN 251; - EN192-1/2; ASME/ANSI B16.1; B16-42; B MAIN APPLICATIONS: Transport and distribution of : cold and hot industrial water, saturated vapours, petroleum products on condition that the compatibility regarding the corrosion, erosion and safety in work in relation to the design and materials used to be ensured. Part Body Disc, shaft standard execution Materials - Standards OL 37* STAS 5/2; 4B BS 436; Rst 37-2 DIN 171; TESTS : - test pressure : shell1, 5xPN bar, SR ISO seat: - Min pressure.3 bar, - Max pressure 1.1xPN(PL) bar, PL working pressure. - min. pressure for open :.2 bar. WORKING TEMPERATURE: Tmax/Tmin - for rubber seat : NBR 8 C/-1 C; EPDM 12 C/-1 C; VITON 18 C/-1 C; PTFE 23 C/-1 C MOUNTING: - Flow direction marked with arrow on body - mounting position on horizontal or vertical ascendant pipes DN PN6 PN1 PN16 PN25 CLS 15 CLS 3 mm inch A B C D ~kg D ~kg D ~kg D ~kg D ~kg D ~kg 4 1 ½ ½ For confirmation, please use the technical sheet of agreement (FTC 39) Special execution Materials - Standards OL 37** STAS 5/2; 4B BS 436; Rst 37-2 DIN 171; 283 AISI 22NiCr17 STAS 3583 ;431 S29 BS 156; X22NiCr17 DIN1744;431 AISI 283 AISI 2MoNiCr175 STAS 3583; 316 S16 BS 1449; X5CrNiMo18.1 DIN 1744; 316 AISI 22NiCr17 STAS 3583; 431 S29 BS 156; X22NiCr17 DIN1744; 431 AISI NBR O-ring EPDM VITON * Zinc plated according STAS MoNiCr175 STAS 3583; 316 S16 BS 1449; X5CrNiMo18.1 DIN 1744; 316 AISI CuZn39Pb2 ; CuZn39Pb2 ISO 426; HT B1 - BS 14; DIN 1766; C864 ASTM B 584 OL 37* STAS 5/2; 4B BS 436; Rst 37-2 DIN 171; 283 AISI PTFE EDITION 23

13 FLANGELESS SWING CHECK VALVES PN 1 / 16 RRCD page 13 R flow direction - flangeless body; - mounting between flanges PN 1/16 ISO 75-2; BS EN 192-2; DIN body: - cast iron EN GJL 25 SR EN GG25 DIN 1691; - disc: - rubber coated carbon steel. - body disc: - rubber / cast iron. WORKING TEMPERATURES: Tmax / Tmin - for rubber seats: - NBR type rubber 8 C / -1 C; - EPDM type rubber 12 C / -1 C. NOTE: - at mounting in plant the flow direction marked on the body shall be respected. DN L H PN 1 PN 16 d D Connecting flanges d2 n x d3 PN1 PN16 PN1 PN 16 PN1 PN 16 PN 1 PN 16 PN 1 PN 16 R Net weight ξ ~(kg) Head loss factor x x x x22 12x x22 12x x22 16x x26 16x x26 2x For confirmation, please use the technical sheet of agreement. (FTC 27) EDITION 23

14 DOUBLE-DISC SWING CHECK VALVE PN 16; 25 RRDD page 14 R Flow direction - face-to-face length: - ISO 5752-S16; BS 28-S16; - connecting flanges: - PN 16, PN 25 in conformity with ISO 75-2; BS EN 192; DIN body: - ductile iron EN GJS SR EN GGG 5 DIN 1693; - discs: - two half-discs in alumiunium bronze CuAl9T; - shaft, spring: - min. 11,5% Cr stainless steel - 41 S21 BS X2Cr13 DIN 1744; - seat: - EPDM rubber, cured on body; - NBR rubber, cured on body. WORKING TEMPERATURE: T max / Tmin - NBR type rubber 8 C / -1 C; - EPDM type rubber 12 C / -1 C. NOTE: - in plants on horizontal, ascendant vertical pipes. DN L A B Dmin. Net weight ~(kg) PN16 PN EDITION 23

15 CAST IRON STRAINERS PN 6 ; PN 16 FRI 6;16 page 15 R APPLICATION: - used as valves for impurities retaining in cold water, hot water, petroleum products and other un-noxious and non-aggressive fluids to the materials contacting. flow - type- flanged tilted body Y type; direction - overall length:- ISO 5752-S1; BS 5152; DIN 322-F1; - connecting flanges:- PN 6, PN16 in conformity with ISO 75-2; BS EN 192; DIN 251. EXECUTION: - standard A, special B - the screen is made from perforated stainless steel plate in conformity with table 1; - with draining plug for DN > 32. Table 1 DN A standard B special Perforation diameter Sheet thickness step utile surface % body, bonnet: - cast iron EN GJL 25 SR EN GG25 DIN 1691; - ductile iron EN GJS SR EN GGG 5 DIN on special request; - screen: - austenitic stainless steel sheet CrNiMo, AISI 34 ; - draining plug:- min. 11,5% Cr stainless steel- 41 S21 BS X2Cr13 DIN MOUNTING: - body-bonnet - asbestos free sheet gasket. - at mounting flow direction marked on the body shall be observed. - working position: with bonnet down. Working and test parameters: Nominal pressure PN (bar) Temperature Shell test pressure (in conformity with ISO 528) ( bar ) -1 C 12 C 18 C 2 C Maximum working pressure (bar) 16 (6) 16 (6) 13.6 (5.1) 13 (5) 24 (9) DN L H H1 Connecting flanges PN 6 Connecting flanges PN 16 Net weight, ~(kg) b d1 d2 nxd3 d1 d2 nxd3 PN 6 PN x x x14 4x x x x x * x * x * * - on special request flanges drilled PN 1 may be supplied. For confirmation, please use the technical sheet of agreement. (FTC 8) EDITION 23

16 FLANGED FOOT VALVES PN16 SVR/SS page 16 R VARIANT WITH CHECK VALVE (SVR) SIMPLE VARIANT (SS) USAGE: Pumping stations, as end of the vertical inlet water, petroleum products or other fluids suitable to the material contacting, pipe. DESIGN AND DIMENSIONAL CHARACTERISTICS: -type: -suction basket with lift valve - SVR -suction basket - SS -The sieving useful area/the area of the nominal diameter (s /s DN ) according to the table; -connecting flange PN 16 ISO 75-2;DIN 2533: -mounting position vertical MAXIMUM WORKING TEMPERATURES: -sealing type: - all rubber; - for rubber seats: - NBR rubber 8 C; - EPDM rubber 12 C; - ESZ/EPDM 7 rubber 12 C. -body,disc- cast iron EN -GJL-25 SR EN 1561; GG 25 din screen: min 11.5 % chromium steel : -fasteners-a2-7 DIN 267/11 TESTS: -the suction basket with lift valve will be tested as fallow: -shell test;24 bar SR ISO 528 -sealing test:17.6 bar and.2 bar SR ISO 528 grade A. DN PN1 Connecting Flange PN16 d1 d2 nxd3 d1 d2 nxd3 b d4 H H1 Net Weight S / ~kg S DN SVR SS x x : 1 8,2 5, x x : 1 9,5 6, x x : 1 12,5 8, x x : 1 17,7 11, x x : 1 25, x x : x x : x x : x x ,5 : x x ,5 : x x ,5 : x x ,5 : For confirmation, please use the technical sheet of agreement. (FTC 35) EDITION 23