Product features
Majority of metric and NPT threads are available
Applicable for Zones 1/21 and 2/22
Allen key type
Thread sizes: metric M16 to M90 or NPT 3/8″” to 3
Technical Data
Dimensions: please see details below
Certification: ATEX, IECEx
ATEX marking:
II 2 GD Ex db IIC Gb
II 2 GD Ex eb IIC Gb
II 2 GD tb IIIC Db
IECEx marking:
Ex db IIC Gb
Ex eb IIC Gb
Ex tb IIIC Db
Material: stainless steel 316L, brass
Ambient temperature: -55°C to +160°C
IP rating: IP66/IP68
Type of protection: Ex d, Ex e, Ex t
Thread types: metric, NPT
Price
Send us your request to receive a quotation.
Description
About Stopping Plug
HARDO stopping plugs are designed to blank off unused entries in hazardous area approved devices. It allows those devices to maintain their integrity and Ex ratings.
HARDO Stopping Plug
HPLG series of stopping plugs can be used in Zones 1/21 and 2/22 and are made according to IEC standards. All HPLG series stopping plugs are ATEX and IECEx certified. They offer Ex e, Ex d, Ex t protection types as well as IP 66/68 rating. HARDO HPLG stopping plugs can be made of brass or stainless steel AISI 316L and are available with both metric and NPT threads sizes M16 to M90 and 3/8” and 3”.
Dimensions
| Thread Size Metric | Thread Size NPT | Allen Key Size | Thread Lenght Metric | Thread Lenght NPT | Tightening Torque For Metric | Tightening Torque For NPT |
|---|---|---|---|---|---|---|
| M16 | 3/8” | 8 | 13 | 11 | 65 Nm | 90 Bm |
| M20 | 1/2” | 10 | 13 | 14 | 65 Nm | 90 Nm |
| M25 | 3/4” | 10 | 13 | 15 | 95 Nm | 90 Nm |
| M32 | 1” | 14 | 13 | 18 | 110 Nm | 113 Nm |
| M40 | 1.1/4” | 14 | 15 | 19 | 130 Nm | 113 Nm |
| M50 | 1.1/2” | 14 | 15 | 19 | 165 Nm | 113 Nm |
| M63 | 2” | 14 | 15 | 20 | 195 Nm | 181 Nm |
| M75 | 2.1/2” | 14 | 15 | 30 | 230 Nm | 181 Nm |
| M90 | 3” | 14 | 15 | 31 | 290 Nm | 181 Nm |
| HARDO CODE | METRIC THREAD CODE | NPT THREAD CODE | MATERIAL |
|---|---|---|---|
| HPLG | 0M=M16 | 0N=3/8” | B = BRASS |
| 1M=M20 | 1N=1/2” | S = SS 316L | |
| 2M=M25 | 2N=3/4” | ||
| 3M=M32 | 3N=1” | ||
| 4M=M40 | 4N=1.1/4” | ||
| 5M=M50 | 5N=1.1/2” | ||
| 6M=M63 | 6N=2” | ||
| 7M=M75 | 6N=2.1/2” | ||
| 8M=M90 | 8N=3” |