Opens in a new tab
Free standard shipping on eligible US orders $500+

Blackmer MLX4B 4″ LPG Pump Bronze Vanes Industrial Propane LP Gas Transfer

SKU: MLX4B-BRZ-LESS R/V
Weight 0.188 lbs
Dimensions 36 × 28 × 28 in

$30,882.40

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing
QuantityUnit priceSaving
1–4$30,882.400%
5–9$29,338.285%
10+$27,794.1610%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order.

Bulk quantity & quote

Enter the total quantity you need. We will confirm availability and a quote before you order.

Request this quantity →

Need a firm ship date? Availability may include supplier stock. Confirm availability before ordering for time-sensitive work.

Processing times & shipping information

Overview

The Blackmer MLX4B-BRZ-LESS R/V Pump is a 4-inch rotary vane LPG transfer pump built for high-volume propane, LP gas, natural gas, and butane transfer operations. Designed for continuous-duty service, this pump is ideal for bulk storage plants, propane terminals, and large-scale fueling facilities requiring rugged, reliable performance.

This model features bronze vanes for superior durability, an SVBV mechanical seal, and is supplied without a relief valve for system configurations requiring external relief protection.

Key Features & Benefits:

  • Large 4″ flanged connections for high-capacity gas transfer

  • Bronze vanes extend service life under heavy-duty operation

  • SVBV mechanical seal for long-lasting reliability

  • Compatible with propane, butane, natural gas, and industrial LPG systems

  • Built to withstand continuous duty in demanding transfer environments

Specifications:

  • Brand: Blackmer

  • Model/MFG#: MLX4B-BRZ-LESS R/V

  • Type: Rotary Vane LPG/Propane Transfer Pump

  • Size: 4″ Flanged Ports

  • Materials: Cast Iron Housing, Bronze Vanes, Steel Shaft

  • Seal Type: SVBV Mechanical Seal

  • Relief Valve: Not Included (External Relief Required)

  • Condition: Brand New

The Blackmer MLX4B Pump is trusted across the propane and gas distribution industry for its high flow rates, industrial strength build, and long service life, making it the top choice for terminal and bulk plant operations.

Product details

Part / SKU MLX4B-BRZ-LESS R/V

Package includes

  • Blackmer MLX4B 4" LPG Pump Bronze Vanes Industrial Propane LP Gas Transfer

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

Shipping methods and charges appear at checkout where available. Freight, oversized and specially handled items may require a quote. See our Shipping Policy for processing periods, restrictions and delivery information.

Explore related products

More products in this category. Compare specifications and fit for your application.