Is the Straight fitting with GW BSP for metric pipe, stainless steel, M766LG compatible with chemical and nuclear applications and what are its maximum allowable pressures?

Straight fitting with GW BSP for metric pipe, stainless steel, M766LG Format Yes . the Straight fitting with GW BSP for metric pipe, stainless steel, M766LG is intended for chemical and nuclear applications. It is a LET-LOKÂ® straight coupling with internal BSP thread for metric tubing, made of AISI 316 stainless steel, and is primarily designed for use in chemical, petrochemical, pharmaceutical, energy, nuclear power and process engineering industries. Maximum allowable working pressure depends on the tubing outer diameter and wall thickness; the permissible working pressure is determined from those tube dimensions (refer to the tubing pressure table provided with the product). Because pressure limits vary by tube size and schedule, a specific pressure value cannot be given without the exact tube OD and wall thickness. For accurate maximum allowable pressures, consult the attachment/table of permissible working pressures corresponding to the chosen metric tubing dimensions.

Does the Straight fitting with GW BSP for metric pipe, stainless steel, M766LG meet ASME/B31.3 and nuclear pressure codes?

Straight fitting with GW BSP for metric pipe, stainless steel, M766LG: Based on the provided description (LET-LOKÂ® straight coupling with internal BSP thread for metric tubing, material AISI 316, intended for chemical, petrochemical, pharmaceutical, energy, nuclear power and process engineering; permissible working pressure determined by tube OD and wall thickness), no definitive statement can be made that it universally "meets ASME B31.3 and nuclear pressure codes." Compliance depends on specific design verification, applicable code editions, required safety factors, welds/assembly methods, testing, documentation (material traceability, NDT, pressure tests), and project-specific engineering review. If manufactured and tested per the requirements and documented to the applicable ASME B31.3 and relevant nuclear codes, it can be acceptable; otherwise, formal certification/engineering approval is required.

What are the temperature limits for the Straight fitting with GW BSP for metric pipe, stainless steel, M766LG in nuclear and chemical systems?

Straight fitting with GW BSP for metric pipe, stainless steel, M766LG. temperature limits depend primarily on the material (AISI 316 stainless steel) and the application environment (nuclear or chemical systems). General usable temperature ranges for AISI 316 stainless steel fittings are: - Low temperature: down to about -196 Â°C (cryogenic service possible for 316 stainless steel with proper design and testing). - High temperature: up to about +400 Â°C for continuous service in corrosive or nuclear environments; short-term exposures may reach ~600 Â°C but with reduced mechanical properties, possible oxidation and loss of pressure capability. Important considerations: - Permissible working temperature must be combined with permissible working pressure (determined by tubing outer diameter and wall thickness). higher temperatures reduce allowable stress and thus working pressure. - Nuclear applications may impose stricter limits, additional qualifications, irradiation effects, and regulatory requirements that can lower allowable temperature or require certified material/test records. - Chemical environments (specific media, concentrations, and pressures) can require lower temperature limits due to corrosion, stress-corrosion cracking, or embrittlement; consult corrosion data for AISI 316 for the specific chemical and temperature. - For exact service limits for Straight fitting with GW BSP for metric pipe, stainless steel, M766LG in a given nuclear or chemical system, refer to project specifications, applicable codes (ASME, EN), material certificates, and the manufacturerâs detailed temperatureâpressure ratings and testing/qualification documents.

Fitting straight with female thread BSP for a metric tube, steel stainless, M766LG

All products, LET-LOK precision connectors/

Additional information

Material	SS – stainless steel

A LET-LOK® straight fitting with a thread internal BSP for a metric tube intended mainly for the chemical, petrochemical and pharmaceutical industry, power generation, nuclear power plants and process engineering. The permissible working pressure is determined on the basis of the outer diameter and the wall thickness of the tube (details in the attachment). Material: steel AISI 316.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HM-LM766LG-03-02-SS	Fitting for a tube 3 mm - 1/8" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-03-04-SS	Fitting for a tube 3 mm - 1/4" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-06-02-SS	Fitting for a tube 6 mm - 1/8" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-06-04-SS	Fitting for a tube 6 mm - 1/4" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-06-06-SS	Fitting for a tube 6 mm - 3/8" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-06-08-SS	Fitting for a tube 6 mm - 1/2" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-08-04-SS	Fitting for a tube 8 mm - 1/4" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-08-06-SS	Fitting for a tube 8 mm - 3/8" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-08-08-SS	Fitting for a tube 8 mm - 1/2" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-10-04-SS	Fitting for a tube 10 mm - 1/4" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-10-06-SS	Fitting for a tube 10 mm - 3/8" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-10-08-SS	Fitting for a tube 10 mm - 1/2" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-12-04-SS	Fitting for a tube 12 mm - 1/4" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-12-06-SS	Fitting for a tube 12 mm - 3/8" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-12-08-SS	Fitting for a tube 12 mm - 1/2" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-14-08-SS	Fitting for a tube 14 mm - 1/2" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-15-08-SS	Fitting for a tube 15 mm - 1/2" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-16-06-SS	Fitting for a tube 16 mm - 3/8" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-16-08-SS	Fitting for a tube 16 mm - 1/2" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-18-08-SS	Fitting for a tube 18 mm - 1/2" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-18-12-SS	Fitting for a tube 18 mm - 3/4" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-20-08-SS	Fitting for a tube 20 mm - 1/2" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-20-12-SS	Fitting for a tube 20 mm - 3/4" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-22-08-SS	Fitting for a tube 22 mm - 1/2" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-25-12-SS	Fitting for a tube 25 mm - 3/4" BSP female, SS	-	-	In stock	Enquiry
HM-LM766LG-25-16-SS	Fitting for a tube 25 mm - 1" BSP female, SS	-	-	In stock	Enquiry

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A LET-LOK® straight fitting with a thread internal BSP for a metric tube intended mainly for the chemical, petrochemical and pharmaceutical industry, power generation, nuclear power plants and process engineering. The permissible working pressure is determined on the basis of the outer diameter and the wall thickness of the tube (details in the attachment). Material: steel AISI 316.