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104-A00    page 2/16 

SAFETY DATA 

 

 

 

Hazardous 

machinery can 

cause serious 

personal injury.

 

Failure to disconnect and lockout 
electrical power or engine drive before 
attempting maintenance can cause 
severe personal injury or death 

 

Hazardous voltage. 

Can shock, burn or 

cause death.

 

Failure to disconnect and lockout 
electrical power before attempting 
maintenance can cause shock, burns or 
death 

 

 

 

 

 

 

 

 

Hazardous 

machinery can 

cause serious 

personal injury. 

Failure to stop the pump before 
adjusting the shaft packing can cause 
severe personal injury. 

 

Hazardous pressure 

can cause personal 

injury or property 

damage

 

Disconnecting fluid or pressure 
containment components during pump 
operation can cause serious personal 
injury, death or major property damage 

 

 

 

 

 

 

 

 

 

Hazardous or toxic 

fluids can cause 

serious injury. 

If pumping hazardous or toxic fluids, 
system must be flushed and 
decontaminated, inside and out, prior to 
performing service or maintenance 

 

Hazardous pressure 

can cause personal 

injury or property 

damage 

Failure to relieve system pressure prior 
to performing pump service or 
maintenance can cause personal injury 
or property damage. 

 

 

 

 

 

 

 

 

 

 

 

Do not operate 

without guard  

in place

 

Operation without guards in place can 
cause serious personal injury, major 
property damage, or death. 

 

 

 

 

PUMP DATA 

PUMP IDENTIFICATION 

A pump Identification tag, containing the pump serial number, I.D. number, and model designation, is attached to each pump.  It is 
recommended that the data from this tag be recorded and filed for future reference. If replacement parts are needed, or if 
information pertaining to the pump is required, this data must be furnished to a Blackmer representative. 

 

 

TECHNICAL DATA * 

 

SNP(J)1.25 

SNP(J)1.5 

SNP(J)2 

SNP(J)2.5 

SNP3A 

Maximum Pump Speed 

1800 RPM 

640 RPM 

Maximum Operating 
Temperature 

240°F (115°C) 

240°F (115°C) 

Maximum Viscosity 

20,000 SSU 

(4,250 cSt) 

20,000 SSU 

(4,250 cSt)

Maximum 
Differential Pressure 

150 psi 

(10.3 Bar) 

150 psi 

(10.3 Bar)

Maximum 
Working Pressure 

175 psi 

(12.1 Bar) 

175 psi 

(12.1 Bar)

Maximum 
Jacket Pressure 

150 psi 

(10.3 Bar) 

150 psi 

(10.3 Bar)

* Technical Data is for standard materials of construction.  
Consult Blackmer Material Specs for optional materials of 
construction.   

INITIAL PUMP START UP INFORMATION 

Model No.: ____________________________________ 

Serial No.:  ____________________________________ 

ID No.:  _______________________________________ 

Date of Installation: _____________________________ 

Inlet Gauge Reading: ____________________________ 

Discharge Gauge Reading: _______________________ 

Flow Rate: _____________________________________ 

 

Содержание SNP1.25

Страница 1: ...r s website www blackmer com or by contacting Blackmer Customer Service SAFETY DATA This is a SAFETY ALERT SYMBOL When you see this symbol on the product or in the manual look for one of the following...

Страница 2: ...ion without guards in place can cause serious personal injury major property damage or death PUMP DATA PUMP IDENTIFICATION A pump Identification tag containing the pump serial number I D number and mo...

Страница 3: ...piping system review the following suggestions 1 Locate the pump as near as possible to the source of supply to avoid excessive inlet pipe friction 2 The inlet line must be at least as large as the i...

Страница 4: ...ermine direction of flow where the pump will be installed 2 Confirm pump is installed in piping so that the flow will pass through the pump from inlet to outlet The inlet of the pump has INLET cast in...

Страница 5: ...es are fully open and that the drain valves and other auxiliary valves are closed 5 Install vacuum and pressure gauges on the pump in the 1 4 NPT connections provided These can be used to check actual...

Страница 6: ...lve closed Bleed air into the pump through the intake gauge plug hole or through a larger auxiliary fitting in the intake piping Pump air for 30 second intervals to clean out most of the pumpage A dra...

Страница 7: ...r a high suction lift and cavitation or starving of the pump exists partial closing of the discharge valve will result in excessive noise in the relief valve Plumbing the relief valve so flow is direc...

Страница 8: ...rocedures and warnings as presented in this manual SCHEDULED MAINTENANCE STRAINERS Strainers must be cleaned regularly to avoid pump starvation Schedule will depend upon the application and conditions...

Страница 9: ...SEAL OR A COMMERCIAL MECHANICAL SEAL a Loosen all setscrews before removing the head assembly For further instructions on the disassembly and assembly of commercial mechanical seals refer to the sepa...

Страница 10: ...he notched end UP Align the notch in the bearing with the groove in the head See figure 7a c Using an arbor press press the bearing into the head in one continuous motion until it is flush with or sli...

Страница 11: ...disc or shaft c Turn the shaft by hand until an empty slot comes to the 12 o clock position insert a vane and move on to the next slot 6 Place the inboard disc 71 and seal ring 72 on the cylinder 12 s...

Страница 12: ...ighten the locknuts 106A c Slide the bearing and lock collar 106B on the shaft until it is firmly seated in the bearing flange 106A d Push inward on the bearing and lock collar 106B while turning the...

Страница 13: ...om mating properly causing the rotor and shaft to bind or turn hard Use a tissue paper alcohol to clean the seal faces NOTE Apply a light oil or suitable lubricant to bronze seal faces only Other poss...

Страница 14: ...he suction line Damaged or worn pump parts Too much lift for the vapor pressure of the fluid A dirty or clogged strainer Worn vanes Suction Valve Closed Incorrect pump rotation Relief Valve partially...

Страница 15: ...104 A00 Page 15 16 NOTES...

Страница 16: ...ess Marine Magnetic Drive Pumps Stainless Steel 14 to 215 GPM Abaque Peristaltic Hose Pumps 0 1 to 210 GPM High Lift Solids Abrasives Reciprocating Gas Compressors Liquefied Gas Transfer Boosting Vapo...

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