LGL Series 1.25 inch to 1.5 inch Ductile Iron Pumps
LGL Series 1.25 inch to 1.5 inch Ductile Iron Pumps - LGRL1.25 / Right Hand (CW) / Foot Mounted, less coupling is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
We ship in stock items same day. If it needs to be ordered we will ship it out to you the day it arrives.
LGL Series 1.25 inch to 1.5 inch Ductile Iron Pumps - LGRL1.25 / Right Hand (CW) / Foot Mounted, less coupling is backordered and will ship as soon as it is back in stock.
Description
Description
The Blackmer LGL Series 1.25 inch to 1.5 inch sliding vane pumps are ductile iron, motor speed propane pumps built for motor fueling, multiple station cylinder filling and small transfer duty. Every model is listed by Underwriters Laboratories for LP-Gas and anhydrous ammonia service, and every model carries a cavitation suppression liner that cuts the noise, vibration and wear normally caused by entrained vapor.
All six models share the same wet end architecture: an eight vane Duravane rotor, an integral relief valve, a Blackmer single mechanical seal, Buna-N elastomers, external ball bearings isolated from the pumpage, and NPT tapped ports. The replaceable liner, discs and vanes let the pumping chamber be rebuilt to like new condition without replacing the pump.
Model Range
| Model | Mounting | Ports | Nominal flow rate | Speed (rpm) | Shipping weight |
|---|---|---|---|---|---|
| LGRL1.25 | Foot mounted | 1.25 in NPT | 10 to 16 gpm (38 to 60 L/min) | 1,450 to 1,750 | 43 lb (20 kg) |
| LGL1.25 | Foot mounted | 1.25 in NPT | 10 to 21 gpm (38 to 80 L/min) | 1,150 to 1,750 | 31 lb (14 kg) |
| LGL1.5 | Foot mounted | 1.5 in NPT | 15 to 33 gpm (57 to 125 L/min) | 1,150 to 1,750 | 31 lb (14 kg) |
| LGRLF1.25A | C-face flange | 1.25 in NPT | 10 to 16 gpm (38 to 60 L/min) | 1,450 to 1,750 | 43 lb (20 kg) |
| LGLF1.25A | C-face flange | 1.25 in NPT | 10 to 21 gpm (38 to 80 L/min) | 1,150 to 1,750 | 43 lb (20 kg) |
| LGLF1.5A | C-face flange | 1.5 in NPT | 15 to 33 gpm (57 to 125 L/min) | 1,150 to 1,750 | 43 lb (20 kg) |
Models carrying an R use a reduced flow liner. Models carrying an F are supplied with an integral bracket and a flexible shaft coupling, ready to accept a NEMA C-face or IEC flanged face motor. Models without an F are foot mounted and are driven through a separate coupling or an integrated unit assembly.
Performance and Ratings
| Specification | Rating |
|---|---|
| Maximum working pressure | 350 psi (24.1 bar) |
| Maximum differential pressure | 150 psi (10.3 bar) |
| Temperature range | -25 F to 240 F (-32 C to 115 C) |
| Viscosity range | 0.2 to 10 cP |
| Connection orientation | Side inlet, side outlet |
| Primary material | Ductile iron |
| Vane material | Duravane |
| Elastomer | Buna-N |
Rotation and Motor Adaptor
Rotation is selected above and is viewed from the driven end of the pump. Right hand (CW) is the standard build and left hand (CCW) is available at no cost. Choose the direction that matches your driver.
The Motor Adaptor selection depends on how the pump is mounted. The three foot mounted models, LGRL1.25, LGL1.25 and LGL1.5, are supplied foot mounted less coupling, which is their only adaptor selection. The three flanged models, LGRLF1.25A, LGLF1.25A and LGLF1.5A, are supplied with a motor adaptor and coupling matched to your motor frame, and offer six selections:
| Motor Adaptor | Applies to |
|---|---|
| Foot mounted, less coupling | LGRL1.25, LGL1.25, LGL1.5 |
| Footless adaptor and coupling, 56C motors | LGRLF1.25A, LGLF1.25A, LGLF1.5A |
| Footless adaptor and coupling, 143-145TC and 182-184C motors | LGRLF1.25A, LGLF1.25A, LGLF1.5A |
| Footless adaptor and coupling, 182-184TC and 213-215C motors | LGRLF1.25A, LGLF1.25A, LGLF1.5A |
| Footed adaptor and coupling, 56C motors | LGRLF1.25A, LGLF1.25A, LGLF1.5A |
| Footed adaptor and coupling, 143-145TC and 182-184C motors | LGRLF1.25A, LGLF1.25A, LGLF1.5A |
| Footless adaptor and coupling, IEC 100/112 B14A face mount motors | LGRLF1.25A, LGLF1.25A, LGLF1.5A |
Footless adaptors require a motor with feet. Footed adaptors are suggested for motors without feet. All motor adaptor selections are supplied at no additional cost.
Standard Configuration
Every pump on this page ships in the same standard construction. These items are fixed on this series and are shown so you can see exactly what is supplied.
| Item | Supplied as standard | Code |
|---|---|---|
| Vanes | Duravane | 4 |
| Mechanical seal | Steel HD / Buna-N / Carbon / Buna-N (SNCN) | Q0 |
| Relief valve | Integral, iron | 1 |
| Relief valve spring | Steel | B |
| O-rings | Buna-N | 1 |
| Standard construction fields | Standard pump identification | 000 |
| Connections | NPT tapped ports, 1.25 in or 1.5 in to suit the model | 0 |
| Accessories | None | 0 |
Integrated Unit Assemblies
Blackmer Integrated Unit Assemblies are a pre engineered drop in package that pairs the pump with a motor, baseplate, coupling and coupling guards, with no field alignment required. Direct mount assemblies are offered for the foot mounted models across NEMA 56 through 215T frames, and for the flanged models across 56C through 184TC frames. Unit assemblies are priced separately from the pump and motor. Call to Order (262) 646-4500 to have one configured.
Dimensions and Weights
| Models | L | W | H | Pump weight |
|---|---|---|---|---|
| LGRL1.25, LGL1.25, LGL1.5 | 9-1/3 in (236.5 mm) | 9-1/16 in (230.2 mm) | 9-1/5 in (233.4 mm) | 30 lb (13.6 kg) |
| LGRLF1.25A, LGLF1.25A, LGLF1.5A | 13 in (330.2 mm) | 9-1/8 in (230.2 mm) | 8 in (203.2 mm) | 39 lb (17.7 kg) |
Pump weight above is the bare pump. Shipping weight, which is what is used for freight, is listed per model in the Model Range table.
Materials of Construction
| Component | Material |
|---|---|
| Casing, heads, relief valve cover | Ductile iron, ASTM 536 |
| Liner, discs, bearing covers | Cast iron, ASTM A48 |
| Rotor and shaft | Steel |
| Vanes | Duravane |
| Relief valve | Cast iron, ASTM A48 |
| Relief valve cap | Steel |
| Relief valve spring | Plated steel |
| Bearing locknut and lock washer | Steel |
| O-rings | Buna-N |
| Mechanical seal | Steel HD stationary seat, carbon seal face, Buna-N elastomers |
Maintenance Kits
These pumps use eight vane kits. Maintenance kits cover the routine wear items and rebuild kits add the liner and discs needed to return the pumping chamber to like new condition.
| Part number | Description | Models |
|---|---|---|
| 898976 | Kit - Maintenance (8 Vane) | LGRL1.25, LGL1.25, LGL1.5, LGRLF1.25A, LGLF1.25A, LGLF1.5A |
| 899076 | Kit - Rebuild (8 Vane) | LGRL1.25, LGRLF1.25A |
| 899077 | Kit - Rebuild (8 Vane) | LGL1.25, LGLF1.25A |
| 899078 | Kit - Rebuild (8 Vane) | LGL1.5, LGLF1.5A |
| Call to Order (262) 646-4500 | Any kit not listed above | All models |
Older four vane LGL pumps use a different kit series. Call with your pump serial number if you need to confirm which kit fits your pump.
Replacement Parts
Individual wear parts are stocked as well, for repairs that do not call for a full kit.
| Part number | Description | Models |
|---|---|---|
| 093088 | Vane, Duravane (8 required per pump) | All models |
| 262300 | Rotor and shaft assembly, eight vane | All models |
| 183019 | Cavitation suppression liner | LGRL1.25, LGRLF1.25A |
| 183020 | Cavitation suppression liner | LGL1.25, LGLF1.25A |
| 183310 | Cavitation suppression liner | LGL1.5, LGLF1.5A |
| 063075 | Disc | All models |
| 033073 | Head | All models |
| 333045 | Mechanical seal assembly (SNCN) | All models |
| 903114 | Ball bearing | All models |
| 453077 | Relief valve | All models |
| 471428 | Relief valve spring, 81 to 150 psi | All models |
| 701918 | O-ring, head | All models |
| 711924 | O-ring, relief valve cover | All models |
| 383075 | Gasket, bearing cover | All models |
| 903090 | Locknut tool | All models |
| Call to Order (262) 646-4500 | Any part not listed above | All models |
Literature and Downloads
- Installation, Operation and Maintenance Manual 501-B00
- Parts List 501-B01
- Dimensional Drawing 501-107 (LGRL1.25, LGL1.5)
- Dimensional Drawing 501-109 (flanged motor models)
- Materials of Construction 501-093
- Performance Curve 501-021c (LGRL1.25, LGRLF1.25A)
- Performance Curve 501-021d (LGL1.25, LGLF1.25A)
- Performance Curve 501-021e (LGL1.5, LGLF1.5A)
- Performance Curve 501-021 (LG, LGL and TLGL Series)
- Brochure 501-012, LGL 1.25 and 1.5 Sliding Vane Pumps
- Brochure 501-001, Liquefied Gas Pumps and Compressors
- Brochure 011-050, Blackmer Integrated Unit Assemblies
- Spec Sheet 109-002, Nord Gearbox Ratings for Integrated Unit Assemblies
- ATEX Declaration of Conformity, Form 617
Ordering
Select your model, rotation and motor adaptor above to see pricing for that exact build. Not every motor adaptor is offered on every model, so if a selection shows Call to Order it means that combination is not built by Blackmer for the model you picked. We are an authorized Blackmer distributor and can help you size a pump, match it to a driver, quote an integrated unit assembly, or identify the right kit for a pump already in service. Call (262) 646-4500.
Other Pumps in This Family
Blackmer's LP-gas pump family also includes the 1 inch LG1 Series Sliding Vane Pumps, the LGL Series 2 inch to 4 inch Ductile Iron Pumps, and the LGLH2A Autogas High Pressure Sliding Vane Pumps. Call (262) 646-4500 for help selecting the right pump for your application.

