Alternate Energy Systems, Inc.

LPG Vaporizers - LP/Air Blenders - Gas/Gas Blenders - NatGas Backup Systems - PeakShaving Systems


Price List
March 2016

Vaporizer/ Mixer Module Systems
Venturi-Type Mixing Systems
with Horizontal Water Bath Vaporizers
WB/HVS-Series

 

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HVS LPG-Vapor / Air Mixers with Water Bath Vaporizers

Model Numbers are WB-168/HVS-14 to WB-3000/HVS-250. The first part of the model number indicates the vaporizer capacity in gallons per hour; the second part indicates the mixer capacity in MMBTU per hour. All systems combine horizontal water bath vaporizers (08-series or 05-series) with Venturi-type mixing systems (HVS-series). They come complete with vaporizer, venturi mixer, surge tank, interconnecting piping, electrical and safety controls, and are mounted on a common steel skid. This design concept makes them very compact, easy to install and to maintain, and very reliable.

All systems are factory-tested prior to shipping. After placing a system on a non-combustible surface (i.e. concrete pad), filling the vaporizer with heat transfer solution, and connecting it to electrical supply, liquid gas supply, and mixed gas outlet, it is immediately ready to produce high-quality gas which is directly compatible and interchangeable with NatGas.

Standard design output pressure is 5 to 8 psi, or 9 to 12 psi (please specify desired output pressure with order). Higher pressures up to 40 psi are also available and require compressed air for operation. In system with High Pressure Option, the surge tank is ASME U-stamped .

All WB/HVS systems monitor the gas pressure in the surge tank, using a pressure transmitter that is connected to a Siemens or Allen-Bradley PLC. The PLC, which is shared with the vaporizer, “sequences” the venturi lines and controls all mixer safety functions. The PLC also communicates with a color LCD display with Touch Screen Operator Interface, displaying system pressures, and any trouble conditions that may occur.

The WB/HVS series is designed for outdoor installation and requires only nominal preventive maintenance. Intended for intermittent service (see Note), the systems are manufactured to meet or exceed requirements of the ASME Pressure Vessel Code Section VIII, and the latest edition of NFPA Pamphlet #58. They are approved by Factory Mutual (FM) and Canadian Standards Association (CSA), and are suitable for Industrial Risk Insurers (IRI) installations.

All systems are factory tested, primed, painted and ready for installation. They come with 2 sets of operating manuals and test reports. All vaporizers are equipped with “smart” Liquid Carryover Protection.

All HVS Mixers are equipped with two solenoid valves per venturi train. The “dynamic” solenoid valve opens and closes each time a venturi train is activated to produce mixed gas. The “static” solenoid valves opens when the mixer is started and stays open until the mixer is stopped, or until a high-pressure alarm occurs. This feature provides an additional level of safety, and prevents the unwanted discharge of mixed gas in case of a failure of the “dynamic” solenoid valve.

The mixer sendout pressure and the sequencing of the venturi lines (differential pressure between trains; ON‑OFF deadband) can be adjusted through simple inputs at the touch screen. A separate “Venturi Cycle Counter” for each venturi train increments each time a venturi train is activated. This information can be used to determine when the mechanical components of a venturi train should be closely inspected, overhauled, or replaced.

The required vapor supply pressure depends on the desired sendout pressure, on the type of available LPG (Propane/Butane content), and on other factors (i.e. altitude). Typical supply pressures for “Propane” and 5-8 psi sendout pressure are 50-70 psi. Mixed Gas Sendout Pressures of more than 8(9) psi require the High Pressure option, which includes a surge tank with ASME “U”-Stamp.

Please Note:   Venturi-based LP/Air mixers are generally considered “for intermittent use”. Due to the relatively limited useful life of their dynamically exercised mechanical components (regulators, check valves, solenoid valves, air intake valves, etc. are typically specified by their respective manufacturers to withstand 200000 to 500000 cycles), they are not very well suited for baseload applications. Their main application is “Emergency Backup”. 

Model Number

Nominal
System
Capacity

MMBTU

Number
of
Venturis
 
  

Surge Tank
Capacity
 
US-gal
(m³)

Approximate
Skid Size


Inches (m)
W x L x H

Price
in US-$


5 - 8 psi
Version

Price
in US-$
 
 
Air-Assisted
Version

WB-168 / HVS-14 MM 14

2

120 (0.450)

W = 60 (1.52) 
L = 132 (3.35) 
H = 112 (2.85)

   $ 56,141

   $ 62,149

WB-208 / HVS-17 MM 17 2 120 (0.450)

$ 58,474

$ 64,482

WB-258 / HVS-20 MM 20 2 120 (0.450)

$ 63,648

$ 69,658

WB-308 / HVS-27 MM 27 3 120 (0.450)

$ 77,209

$ 85,603

WB-358 / HVS-30 MM 30 3 120 (0.450)

$ 79,542

$ 87,936

WB-408 / HVS-37 MM 37 4 120 (0.450)

$ 91,123

$ 101,626

WB-458 / HVS-40 MM 40 4 120 (0.450)

$ 92,837

$ 103,375

WB-555 / HVS-50 MM 50

5

250 (0.950)

W = 72 (1.83) 
L = 138 (3.51) 
H = 112 (2.85)

$ 122,019

$ 134,388

WB-755 / HVS-60 MM 60

6

250 (0.950)

$ 146,520

$ 161,000

WB-855 / HVS-70 MM 70

7

250 (0.950)

$ 159,219

$ 175,810

WB-1005 / HVS-80 MM 80

8

500 (1.893)

W = 90 (2.29) 
L = 164 (4.17) 
H = 112 (2.85)

$ 177,788

$ 196,250

WB-1005 / HVS-90 MM 90

9

500 (1.893)

$ 189,108

$ 209,951

WB-1205 / HVS-100 MM 100

10

500 (1.893)

$ 205,682

$ 228,636

WB-1505 / HVS-110 MM 110

11

500 (1.893)

$ 226,535

$ 251,599

WB-1505 / HVS-120 MM 120

12

500 (1.893)

$ 232,249

$ 260,645

WB-1505 / HVS-130 MM 130

13

500 (1.893)

$ 240,354

$ 270,860

WB-1805 / HVS-140 MM 140

14

500 (1.893)

W = 102 (2.59) 
L = 272 (6.91) 
H = 112 (2.85)

$ 264,122

$ 296,739

WB-1805 / HVS-150 MM 150

15

500 (1.893)

$ 271,503

$ 306,230

WB-2005 / HVS-160 MM 160

16

500 (1.893)

$ 298,183

$ 334,776

WB-2005 / HVS-170 MM 170

17

1000 (3.785)

$ 306,330

$ 345,035

WB-2005 / HVS-180 MM 180

18

1000 (3.785)

$ 321,027

$ 361,841

WB-2205 / HVS-190 MM 190

19

1000 (3.785)

 $ 333,766

 $ 376,450

WB-2205 / HVS-200 MM 200

20

1000 (3.785)

$ 341,317

$ 386,107

WB-2505 / HVS-210 MM 210

21

1000 (3.785)

$ 366,383

$ 414,750

WB-2505 / HVS-220 MM 220

22

1000 (3.785)

$ 380,995

$ 431,472

Actual number of venturi arrangements may vary with mixed gas pressure. Weights and dimensions are approximate. Specifications are subject to change without notice. Call factory or distributor for price quotation and actual lead times.

  

HVSOPTHP

High Pressure Configuration: for sendout pressures of 9-15 psi without the use of compressed air. Requires very high sendout pressures at the Venturi train (170+ psi) & low Butane content. Sendout pressures above 15 psi require “Air Assist” Configuration.

$ 4,882.00
per
Venturi Train

For more Options and Accessories please refer to price list “Water Bath LPG Vaporizers”.

Last Update 31Jan16

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