Pietro Fiorentini - DILOCK - Slam Shut Valve
This is a safety device (SAV) which quickly intercepts gas flow when the pressure it is monitoring reaches a pre-set limit due to any anomaly in the system, or when required by the operator at installation point or from remote point.
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Materials
Valve body: Steil casting ASTM A 216 gr WCB, spheroidal graphite cast iron GS - 400 - 18 ISO 1083
≈ ASTM S 100 B for sizes 160 and 250
Only spheroidal graphite cast iron GS 500 - 7 UNI 4544 - 74, for sizes 75 and 125
Stem and Plug: AISI 416 stainless steel
Seals: Nitril rubber
Disengagement device: Housing in light alloy, levers in inoxidizable material or with special anticorrosion treatment
Main Features
- Max. inlet pressure Pe max: 18.9 bar
- Operating temperature: - 10 °C to + 60 °C;
- Ambient temperature: - 20 °C to + 60 °C
- Range of outlet pressure Wh: 30 to 5500 mbar;
- Accuracy: AG ± 5% on the value of the pressure setting;
- Intervention on pressure increase and/or decrease;
- Manual push-botton control;
- Option for pneumatic or elecromagnetic remote control;
- Manual re-setting with internal by-pass activated by the manoeuvering lever;
- Possibility of application of devices for intervention remote signal (contact switches or proximity switches);
- Small overal size;
- Available size:
• Dilock 75: Rp 1” x 1”
• Dilock 125: Rp 1” x 1”1/2
• Dilock 160: Rp 1”1/4 x 1”1/4 - 25 x 25 - 32 x 32
• Dilock 250: 2” x 2” - 40 x 40 - 50 x 50
- Connections:
• threaded UNI-150 7 Rp
• Flanging class 150RF according to ANSI B 16.5 and PN 16 according to ISO 7005.
Its “top entry” design allows an easy periodical maintenance without removing the body from the pipeline.
