Type. Facts. Flanged Safety Relief Valves spring loaded TMetric + US Units. The-Safety-Valve.com
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1 ype 26 Flanged Safety Relief Valves spring loaded Metric + US Units Facts he-safety-valve.com
2 ype 26 Orifice Selection charts 1 x 1 3L x 1 3 x 1 6 x 1 9 x 1 x 1 2 x 3 WCB X See 3 x X WC6 See 3 x X WCB WC6 [ F] p [bar] [ C] p [psig] CF8M 1 x 1 3L x 1 3 x 1 6 x 1 9 x 1 x 1 2 x X See 3 x X 9 p [bar] CF8M [ F] [ C] p [psig] For set pressures exceeding the limits of API 26 see pressure temperature ratings on page 76 and
3 ype 26 Orifice Article numbers, dimensions and weights Article numbers Valve size Flange rating class Inlet x Outlet 1 x 1 3L x 1 3 x 1 Actual Orifice diameter d [mm] Actual Orifice area A [mm 2 ] Body material WCB Art. No CF8M Art. No Use WC Art. No. 3 x LCB Art. No ) Please add code for the required cap or lifting device. See below. Dimensions and weights Metric units Weight [kg] Center to face Inlet a [mm] Outlet b s Height (H4) Standard H max Use [mm] Bellows H max x Support brackets A [mm] B 1 1 C Ø 18 Ø 18 D E 2 2 US units Weight [lbs] Center to face Inlet a [inch] Outlet b s 2 7 / / 16 Height (H4) Standard H max. 7 9 / 16 Use / 16 [inch] Bellows H max. 7 9 / 16 3 x / 16 Support brackets A 18 1 / / 2 [inch] B 1 1 Code for lifting device Lifting device H2 H3 H4 H3 Bonnet closed closed closed open WCB 1.619, WC , LCB CF8M C Ø 23 Ø 23 D 19 9 / / 16 E Support brackets Balanced design 7
4 ype 26 Orifice Pressure temperature ratings Metric units Valve size Flange rating class Inlet x Outlet 1 x 1 3L x 1 3 x 1 Actual Orifice diameter d [mm] Actual Orifice area A [mm 2 ] Minimum set pressure [bar] S/G/L Minimum set pressure [bar] S/G Balanced Inconel [bar] L Body material: WCB Pressure range p [bar] S/G/L Article numbers Maximum -29 to 38 C (36) set pressure 232 C (36) 427 C 4. Use (28.3) 3 x Balanced design Body material: CF8M Pressure range p [bar] S/G/L Article numbers Maximum -268 to -6 C set pressure -9 to -29 C to 38 C C C 4. Use x C Balanced design Body material: WC Pressure range p [bar] S/G/L Article numbers Maximum 427 C 2.7 (3.2) Set pressure 38 C 1. (1.) Use x Balanced design 6.9 Body material: LCB Pressure range p [bar] S/G/L Article numbers Maximum -46 to 38 C (36) set pressure 2 C (36) 343 C 4. Use (36) 3 x Balanced design ) Please add code for the required cap or lifting device. See page 13. ( ) = maximum set pressure of ype 26 high pressure design (Option code Z9) Remark: SA 32 Gr. LCB is not listed in the API 26. Pressure-emperature Rating acc. to ASME B16.34 able he stated Pressure-emperature Rating are taken from ASME B16.34 able if the maximum pressure is not limited by API 26. Due to the extended material test certificate the LESER LCB can be applied as LCC, WCB, WCC and the respective pressure-temperature range as well. 76
5 ype 26 Orifice Pressure temperature ratings US units Valve size Flange rating class Inlet x Outlet 1 x 1 3L x 1 3 x 1 Actual Orifice diameter d [inch] Actual Orifice area A [inch 2 ] Minimum set pressure[psig] S/G/L Minimum set pressure [psig] S/G Balanced Inconel [psig] L Body material: WCB Pressure range p [psig] S/G/L Article numbers Maximum -2 to F 6 3 (22) set pressure 4 F 6 3 (22) 8 F 6 Use (41) 3 x 1 3 Balanced design 3 Body material: CF8M Pressure range p [psig] S/G/L Article numbers Maximum -4 to -76 F 6 set pressure -7 to -21 F to F F 6 12 Use F x 1 F Balanced design 3 6 Body material: WC Pressure range p [psig] S/G/L Article numbers Maximum 8 F 3 (1) set pressure F 22 (22) Use x 1 Balanced design Body material: LCB Pressure range p [psig] S/G/L Article numbers Maximum - to F 6 3 (22) set pressure 4 F 6 3 (22) 6 F 6 Use (22) 3 x 1 3 Balanced design 3 ) Please add code for the required cap or lifting device. See page 13. ( ) = maximum set pressure of ype 26 high pressure design (Option code Z9) Remark: SA 32 Gr. LCB is not listed in the API 26. Pressure-emperature Rating acc. to ASME B16.34 able he stated Pressure-emperature Rating are taken from ASME B16.34 able if the maximum pressure is not limited by API 26. Due to the extended material test certificate the LESER LCB can be applied as LCC, WCB, WCC and the respective pressure-temperature range as well. 77
6 ype 26 ype 26 Dimensions Metric units Safety valve dimensions [mm] Support brackets [mm] A B C D E A B C D E A B C D E Flange rating class 1 x 1 3L x 1 3 x 1 Valve size 1 D 2 1 D 2 1 D 2 D d [mm] Please see 1 D A [mm 2 ] Ø x 1 13 Ø E 2 1 E 2 1 E 2 E d [mm] Please see 1 E A [mm 2 ] Ø x 1 13 Ø / 2 F / 2 F / 2 F 2 F d [mm] A [mm 2 ] Ø Ø Ø / 2 G / 2 G / 2 G 3 G d [mm] A [mm 2 ] Ø Ø Ø Flange rating class 1 x 1 3L x 1 3 x 1 Valve size 1 1 / 2 H / 2 H 3 2 H 3 H d [mm] A [mm 2 ] Ø Ø Ø J 3 2 J 3 3 J 4 J d [mm] A [mm 2 ] Ø Ø Ø K 4 3 K 4 3 K 4 WCB, LCB, d [mm] Please see 3 K CF8M (WC6) A [mm 2 ] Ø x Ø K WC6 Flange rating class 1 x 1 3L x 1 3 x 1 Valve size 3 L 4 3 L 4 4 L 6 L M N P Q R d [mm] A [mm 2 ] Ø Ø Ø M 6 4 M 6 4 M 6 d [mm] Please see 4 M A [mm 2 ] Ø x Ø N 6 4 N 6 4 N 6 d [mm] Please see 4 N A [mm 2 ] Ø x Ø P 6 4 P 6 4 P 6 d [mm] A [mm 2 ] Ø Ø Ø Q 8 6 Q 8 6 Q 8 d [mm] Please see 6 Q A [mm 2 ] Ø x Ø R 8 6 R 8 6 R 1 d [mm] A [mm 2 ] Ø Ø Ø d [mm] Please see A [mm 2 ] Ø x Ø
7 d = Actual orifice diameter A = Actual orifice area A B C D E A B C D E A B C D E A B C D E 6 x 1 9 x 3 x 3 2 x 3 1 D / 2 D / 2 D / 2 D Please see 1 1 / 2 D Ø x Ø Ø E / 2 E / 2 E / 2 E Please see 1 1 / 2 E Ø x Ø Ø / 2 F / 2 F / 2 F / 2 F Please see 1 1 / 2 F Ø x Ø Ø / 2 G / 2 G 3 2 G 3 2 G Ø Ø Ø Ø x 1 9 x 1 x 3 2 H 3 2 H 3 2 H Ø Ø Ø J 4 3 J 4 3 J Ø Ø Ø K 4 3 K 6 3 K Ø Ø Ø Ø x 1 9 x 1 x 1 4 L 6 4 L 6 4 L Ø Ø Ø M 6 4 M Ø Ø N 6 4 N Ø Ø P 6 4 P Ø Ø Q ) 12 2) Ø R Ø ) ype 26 high pressure design: 122 2) ype 26 high pressure design: 1282 Support brackets Balanced design ype 26 17
8 ype 26 ype 26 Dimensions US units Safety valve dimensions [inch] Support brackets [inch] A B C D E A B C D E A B C D E Flange rating class 1 x 1 3L x 1 3 x 1 Valve size 1 D 2 1 D 2 1 D 2 d [inch].1 4 D 4 1 / / / / 16 Please see 1 D / / / / 16 A [inch 2 ] Ø 9 / 16 7 / 32 3 x 1 1 Ø 9 / 16 7 / 32 1 E 2 1 E 2 1 E 2 E d [inch] / / / / 16 Please see 1 E / / / / 16 A [inch 2 ] Ø 9 / x 1 1 Ø 9 / / 2 F / 2 F / 2 F 2 d [inch] / / / / F G A [inch 2 ] Ø 9 / Ø 9 / Ø / 2 G / 2 G / 2 G 3 d [inch] / / / / A [inch 2 ] Ø 9 / Ø 9 / Ø 9 / Flange rating class 1 x 1 3L x 1 3 x 1 Valve size 1 1 / 2 H / 2 H 3 2 H 3 d [inch] / / / / 4 H J K A [inch 2 ] Ø 9 / Ø 9 / / Ø 9 / J 3 2 J 3 3 J 4 d [inch] / / / / / / / / / / 16 A [inch 2 ] / Ø 9 / / / Ø 9 / / / 2 Ø K 4 3 K 4 3 K 4 WCB, LCB, d [inch] / Please see 3 K / CF8M (WC6) A [inch 2 ] / 2 Ø x / 2 Ø WC6 Flange rating class 1 x 1 3L x 1 3 x 1 Valve size 3 L 4 3 L 4 4 L 6 L M N P Q R d [inch] / / / / / / / / A [inch 2 ] / 2 Ø / 2 Ø / 16 6 / 16 Ø 23 1 / 16 4 M 6 4 M 6 4 M 6 d [inch] / Please see 4 M / A [inch 2 ] / 16 6 / 16 Ø / 4 3 x / 16 6 / 16 Ø / 4 4 N 6 4 N 6 4 N 6 d [inch] / / Please see 4 N / / A [inch 2 ] / 16 6 / 16 Ø x / 16 6 / 16 Ø P 6 4 P 6 4 P 6 d [inch] / / / 16 A [inch 2 ] / 16 6 / 16 Ø 23 1 / / 16 6 / 16 Ø 23 1 / / Ø / 16 6 Q 8 6 Q 8 6 Q 8 d [inch] / / / / 4 Please see 6 Q / / / / 4 A [inch 2 ] / Ø x / Ø R 8 6 R 8 6 R 1 d [inch] / / / / / / / / / / / A [inch 2 ] / Ø / Ø / 2 29 Ø d [inch] / / / 16 Please see / / / 16 A [inch 2 ] / 2 29 Ø / 16 3 x / 2 29 Ø / 16 18
9 d = Actual orifice diameter A = Actual orifice area A B C D E A B C D E A B C D E A B C D E 6 x 1 9 x 3 x 3 2 x 3 1 D / 2 D / 2 D / 2 D / / / / 16 Please see 1 1 / 2 D / / / / / / 16 1 Ø 9 / 16 7 x Ø 9 / Ø 9 / E / 2 E / 2 E / 2 E / / / / 16 Please see 1 1 / 2 E / / / / / / 16 1 Ø 9 / 16 7 x Ø 9 / Ø 9 / / 2 F / 2 F / 2 F / 2 F Please see 1 1 / 2 F / / / / 16 1 / / / / Ø 9 / x Ø 9 / Ø 9 / / 2 G / 2 G 3 2 G 3 2 G 3 ype / / / / / / / / / / Ø 9 / Ø / Ø 9 / / / Ø 9 / / 16 6 x 1 9 x 1 x 3 2 H 3 2 H 3 2 H / / / / / / / Ø 9 / / / Ø 9 / / / Ø 9 / / 16 3 J 4 3 J 4 3 J / / / / / / / / / / / / / 2 Ø / 2 Ø / 2 Ø K 4 3 K 6 3 K / / / / / / / / / / / 2 Ø / 16 6 / 16 Ø / 16 6 / 16 Ø / / / 2 Ø x 1 9 x 1 x 1 4 L 6 4 L 6 4 L / / / / / / / 4 2 / / 16 6 / 16 Ø / / 16 6 / 16 Ø / 16 6 / 16 Ø M 6 4 M / / / / / 16 6 / 16 Ø / / 16 6 / 16 Ø N 6 4 N / / / / / / / 16 6 / 16 Ø / 16 6 / 16 Ø P 6 4 P / / / / / / / Ø / / Ø / 16 6 Q / / / ) 47 1 / 4 2) 14 9 / Ø R / / / / 2 29 Ø Support brackets Balanced design 1) ype 26 high pressure design: 47 / 16 2) ype 26 high pressure design: 1 / 2 19
10 ype 26 ype 26 Weigths Metric units Bonnet Lifting device Flange class 1 x 1 3L x 1 3 x 1 6 x 1 9 x 3 x 3 2 x 3 Valve size 1 D 2 1 D 2 1 D 2 1 D / 2 D / 2 D / 2 D 3 D E F G Weight [kg] [kg] all all 1 E 2 1 E 2 1 E 2 1 E / 2 E / 2 E / 2 E 3 Weight [kg] [kg] / 2 F / 2 F / 2 F / 2 F / 2 F / 2 F / 2 F 3 Weight [kg] [kg] / 2 G / 2 G / 2 G / 2 G / 2 G 3 2 G 3 2 G 3 Weight [kg] [kg] Flange class 1 x 1 3L x 1 3 x 1 6 x 1 9 x 1 x 3 Valve size 1 1 / 2 H / 2 H 3 2 H 3 2 H 3 2 H 3 2 H 3 H J K Weight [kg] [kg] J 3 2 J 3 3 J 4 3 J 4 3 J 4 3 J 4 Weight [kg] [kg] K 4 3 K 4 3 K 4 3 K 4 3 K 6 3 K 6 Other WC6 Weight [kg] [kg] Flange class 1 x 1 3L x 1 3 x 1 6 x 1 9 x 1 x 1 Valve size 3 L 4 3 L 4 4 L 6 4 L 6 4 L 6 4 L 6 L M N P Q R Weight [kg] [kg] M 6 4 M 6 4 M 6 4 M 6 4 M 6 Weight [kg] [kg] N 6 4 N 6 4 N 6 4 N 6 4 N 6 Weight [kg] [kg] P 6 4 P 6 4 P 6 4 P 6 4 P 6 Weight [kg] [kg] Q 8 6 Q 8 6 Q 8 6 Q 8 Weight [kg] [kg] R 8 6 R 8 6 R 1 6 R 1 Weight [kg] [kg] Weight [kg] [kg]
11 ype 26 Weigths US units Bonnet Lifting device Flange class 1 x 1 3L x 1 3 x 1 6 x 1 9 x 3 x 3 2 x 3 Valve size 1 D 2 1 D 2 1 D 2 1 D / 2 D / 2 D / 2 D 3 D E F G Weight [lbs] [lbs] all all 1 E 2 1 E 2 1 E 2 1 E / 2 E / 2 E / 2 E 3 Weight [lbs] [lbs] / 2 F / 2 F / 2 F / 2 F / 2 F / 2 F / 2 F 3 Weight [lbs] [lbs] / 2 G / 2 G / 2 G / 2 G / 2 G 3 2 G 3 2 G 3 Weight [lbs] [lbs] Flange class 1 x 1 3L x 1 3 x 1 6 x 1 9 x 1 x 3 Valve size 1 1 / 2 H / 2 H 3 2 H 3 2 H 3 2 H 3 2 H 3 H J K Weight [lbs] [lbs] J 3 2 J 3 3 J 4 3 J 4 3 J 4 3 J 4 Weight [lbs] [lbs] K 4 3 K 4 3 K 4 3 K 4 3 K 6 3 K 6 Other WC6 Weight [lbs] [lbs] Flange class 1 x 1 3L x 1 3 x 1 6 x 1 9 x 1 x 1 Valve size 3 L 4 3 L 4 4 L 6 4 L 6 4 L 6 4 L 6 L M N P Q R Weight [lbs] [lbs] M 6 4 M 6 4 M 6 4 M 6 4 M 6 Weight [lbs] [lbs] N 6 4 N 6 4 N 6 4 N 6 4 N 6 Weight [lbs] [lbs] P 6 4 P 6 4 P 6 4 P 6 4 P 6 Weight [lbs] [lbs] Q 8 6 Q 8 6 Q 8 6 Q 8 Weight [lbs] [lbs] R 8 6 R 8 6 R 1 6 R 1 Weight [lbs] [lbs] Weight [lbs] [lbs] ype 26 21
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