Valves

From40M Up 1500MM

Dimensions:

PN 2.5, 4   , 6, 10, 16, 25, 40 BAR. 

Pressure:

                            EPDM (Tmax / Tmin) =120 C / - 10 C

- sleeve :-rubber: NBR (Tmax / Tmin) = 80 C / - 10 C

- Shaft : min 11.5% Cr stainless steel -410 S21 BS 1506-X20Cr13 DIN 17440-420aisi

           - bronze CuAI9T

           -Stainless steel 2MoNiCr 175-316 S2 BS 1449-X20CrNImo 18.12 DIN 17440-316 L AISI.

            - Ductile iron EN GJS 500-7 SR EN 1563-99- BS 2789 GGG 50 DIN 1693 + rubber.

- Disc: - Ductile iron EN GJS 500-7 SR EN 1563-99- GGG 50   DIN 1693   - On request.

 - Ductile iron EN GJS 500-7 SR EN 1563-99- BS 2789, GGG 50   DIN 1693   - On special request.

-Body, bonnet cast iron EN GJL 250 SR EN 1561-99- BS 1452, GG 25 DIN 1691.

Materials:

AP       pneumatic operation

AE       electric operation

AR       manual with gear box

AM      manual with lever

Operation:

-energetic (0) without electric switch 

-antiex (EX) with electric switch box

-normal (N) with electric switch box

Standard equipped with NOTOR actuator in the following variants:.

Electric actuator:

- rubber / rubber

- stainless steel / rubber

- bronze /  rubber

-          disc / sleeve:  -ductile iron chromium plated on the outline / rubber

Seats:

- 120 C / -10 C   for EPDM type rubber

- 80 C / -10 C   for NBR type rubber

T  max/ T min

Working temperature:

                                   Cls. 125/150-ANSI B16.5.

- Connecting flanges: ISO 7005-2; BS EN 1092-2; ANSI; DIN 2501

- Overall lengths   : ISO 5752; BS 2080; ANSI; DIN 3202

                                          5 m/s for PN 16

- max.liquid flow speed :  4 m/s  for PN 10

- flanged body STAS 10933 /2.

             - two- pieces

- shaft : - one piece

              - (F)    - flanged

             - (L)    - lug

- type : - (W)   - wafer

Design and dimensional characteristics:

fluids charged with solid particles ( consistency max.3% )

-    petroleum products;

-    saturated vapours;

-    cold and hot industrial water ;