M 325 Gas – ESBOvalve ball valve with three-piece body, mounting plate connection and gas approval
ESBOvalve M 325 Gas is a ball valve with three-piece body, mounting plate connections and gas approval. It features an ISO 5211 top flange for fitting actuators or similar accessories, is silicone-free and has a blow-off proof stem design.
Approvals: DVGW (DIN-DVGW-NG MOP 16, DVGW-VP 303), TR-certificate of the Russian Federation

Technical data for ESBOvalve ball valve M 325 Gas:
Through-bore | 3/8" – 4" |
Overall length | Series 1 EN 558-1 (previously DIN 3202 F1) |
Pressure class | PN 40 |
Gas pressure class | 16 bar (DIN-DVGW-NG-MOP 16) |
Enclosure, end cap, ball | 1.4408 (316) |
Spindle | 1.4401 (316) |
Thrust washer, spring washer, nut | 1.4301 (304) |
O-ring (DVGW-GAS, DIN 3535 Part 3) | Viton |
Ball seal, sliding ring, packing box, etc. | PTFE, TFM 1600 or RTFE |
Handle | 1.4301 (304), plastic covering |
Mounting plate connections | PN 40, PN 16, ANSI 150 lb |
Gas connections | Flanges: PN 16, DIN EN 1092-1 |
Actuators | Hand lever, electrical or pneumatic actuation (ISO 5211) |
Gas type | All gases (incl. gases according to DVGW worksheets G260 and G262, VP 303) |
Dimensions of ESBOvalve ball valve M 325 Gas:
Size | Bore | ØD | L | H | I | F |
---|---|---|---|---|---|---|
1/2" | DN 15 | 15 | 130 | 40,5 | 9 | F03-F04 |
3/4" | DN 20 | 20 | 150 | 50,5 | 9 | F04-F05 |
1" | DN 25 | 25,4 | 160 | 56,5 | 11 | F04-F05 |
1¼" | DN 32 | 31,8 | 180 | 60 | 11 | F04-F05 |
1½" | DN 40 | 38,1 | 200 | 77 | 14 | F05-F07 |
2" | DN 50 | 50 | 230 | 84 | 14 | F05-F07 |
2½" | DN 65 | 65 | 290 | 101 | 17 | F07-F10 |
3" | DN 80 | 76 | 310 | 111 | 17 | F07-F10 |
4" | DN 100 | 100 | 350 | 131 | 17 | F07-F10 |
ØD: Bore diameter of the ball
L: Face-to-face length of the ball valve
H: Height from boresight to the top edge of the ISO 5211 top flange
I: Size of the square-end for fitting actuators
F: Hole pattern of the ISO 5211 top flange
All dimensions in millimeters (mm)
The following accessories are available for the ESBOvalve ball valve M 325 Gas:

ESBOdrive: ESBOdrive actuators are available with electric or pneumatic actuation and are single- or double-acting. They are flexible and easy to fit to all ESBOvalve ball valves with ISO 5211 top flange.

ESBOswitch: The ESBOswitch is a state-of-the-art position sensor which can be used in a wide variety of applications. It features an optical display and is an ideal companion for the ESBOdrive actuating drive.

ESBOtherm: ESBOtherm is an auxiliary heater for compensating higher heat losses in ball valves. Consisting of a self-contained heating band fitted to a mesh it is easy to service.
The following files are available for download for the ESBOvalve M 325 Gas ball valve: