Canadian Registration Numbers (CRN)
Instrumentation Check, Filter & Relief Valves
The listed CRN declarations identify products that have been accepted and registered for use in the respective province/territory. Only a genuine Parker Hannifin product fabricated by a Parker registered facility has this number. For more information, contact us.
Check Valves (C Series)
All stainless steel, brass B16 C36000 not over 100°F
CRN: 0C2206
Exp: 4/7/2025
Catalog: 4135-CV
CRN Declaration Documents:
Alberta (.2)
Manitoba (.24)
New Brunswick (.27 Add2)
Newfoundland & Lab. (.20 Add2)
Northwest Territories (.2T Add2)
Nova Scotia (.28 Add2)
Nunavut (.2N Add 2)
Ontario (.5)
Prince Edward Island (.29 Add2)
Quebec (.26)
Yukon (.2Y Add2)
Exemptions: BC, SK
Check Valves: O-Ring Poppet (CO Series)
CRN: 0C02206
Exp: 4/7/2025
Catalog: 4135-CV
CRN Declaration Documents:
Alberta (.2)
Manitoba (.24)
New Brunswick (.27 Add1)
Newfoundland & Lab. (.20 Add1)
Northwest Territories (.2T Add1)
Nova Scotia (.28 Add1)
Nunavut (.2N Add1)
Ontario (.25 Add1)
Prince Edward Island (.29 Add1)
Quebec (.26)
Yukon (.2Y Add1)
Exemptions: BC, SK
Inline Filters (F Series)
Excluding brass
Catalog: 4135-CV
CRN Declaration Documents:
CRN: 0E02206
Exp: 4/7/2025
Alberta (.2)
CRN: 0E9901
Exp: 1/8/2025
British Columbia (.51)
Manitoba (.54)
New Brunswick (.57 Rev1)
Newfoundland & Lab. (.50 Rev1)
Northwest Territories (.5T Rev1)
Nova Scotia (.58 Rev1)
Nunavut (.5N Rev1)
Ontario (.5R1)
Prince Edward Island (.59 Rev1)
Quebec (.56R1)
Saskatchewan (.56R1)
Yukon (.5Y Rev1)
Tee Filters (FT Series)
All stainless steel, brass B16 C36000 not over 100°F
CRN: 0E2206
Exp: 4/7/2025
Catalog: 4135-CV
CRN Declaration Documents:
Alberta (.2)
British Columbia (.21)
Manitoba (.24)
New Brunswick (.27 Add1)
Newfoundland & Lab. (.20 Add1)
Northwest Territories (.2T Add1)
Nova Scotia (.28 Add1)
Nunavut (.2N Add1)
Prince Edward Island (.29)
Saskatchewan (.23)
Yukon (.2Y Add1)
Relief Valves (RH4 Series)
Not for use as primary pressure relief device for overpressure protection.
CRN: 0C8778
Exp: 7/14/2024
Catalog: 4135-CV
CRN Declaration Documents:
Alberta (.52)
Manitoba (.54)
New Brunswick (.57 Rev1)
Newfoundland & Lab. (.50 Rev1)
Northwest Territories (.5T Rev1)
Nova Scotia (.58 Rev1)
Nunavut (.5N Rev1)
Ontario (.5R1)
Prince Edward Island (.59 Rev1)
Quebec (.56R1)
Saskatchewan (.56R1)
Yukon (.5Y Rev1)
Relief Valves (RL4 Series)
Not for use as primary pressure relief device for overpressure protection.
CRN: 0C9895
Exp: 3/18/2025
Catalog: 4135-CV
CRN Declaration Documents:
Alberta (.52)
British Columbia (.51)
Manitoba (.54)
New Brunswick (.57 Rev1)
Newfoundland & Lab. (.50 Rev1)
Northwest Territories (.5T Rev1)
Nova Scotia (.58 Rev1)
Nunavut (.5N Rev1)
Ontario (.5R1)
Prince Edward Island (.59 Rev1)
Quebec (.56R1)
Saskatchewan (.56R1)
Yukon (.5Y Rev1)
Lift Check Valve (LC Series)
Catalog: 4135-CV
CRN Declaration Documents:
CRN: 0C22701
Exp: 9/23/2030
British Columbia (.51)
Manitoba (.54)
New Brunswick (.57)
Newfoundland & Lab. (.50)
Northwest Territories (.5T)
Nova Scotia (.58)
Nunavut (.5N)
Ontario (.5)
Prince Edward Island (.59)
Quebec (.56)
Saskatchewan (.56)
Yukon (.5Y)
CRN: 0C21230
Exp: 2/4/2031
Alberta (.2)
Note: approval being obtained in all other jurisdictions.
Check Valve (CBG Series)
CRN: 0C22700
Exp: 9/23/2030
Catalog: 4135-CV
CRN Declaration Documents:
Alberta (.52)
British Columbia (.51)
Manitoba (.54)
New Brunswick (.57)
Newfoundland & Lab. (.50)
Northwest Territories (.5T)
Nova Scotia (.58)
Nunavut (.5N)
Ontario (.5)
Prince Edward Island (.59)
Saskatchewan (.56)
Yukon (.5Y)
Note: approval being obtained in all other jurisdictions.
3/8" Check Valve (CB Series)
CRN: 0C21055.2
Exp: 11/05/2030
Catalog: 4135-CV
CRN Declaration Documents:
Alberta (.52)
British Columbia (.51)
Manitoba (.54)
New Brunswick (.57)
Newfoundland & Lab. (.50)
Northwest Territories (.5T)
Nova Scotia (.58)
Nunavut (.5N)
Ontario (.5)
Prince Edward Island (.59)
Quebec (.56)
Saskatchewan (.56)
Yukon (.5Y)
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